Brand:

Toyota

Model Name:

4Runner GRN210 215 UZN210 215

Manual:

Repair Manual

Section:

1Gr-Fe Engine Control System

Title:

Sfi System


​

HINT:
The parameters listed in the chart are for reference only. Factors such as instrument type may cause readings to differ slightly from stated values.
If any DTCs are displayed during a check mode DTC check, check the circuit for the DTCs listed in the table below. For details of each DTC, refer to the page indicated.

SFI SYSTEM:
DTC No.
Detection Item
Trouble Areas
MIL
Memory
See page
P0010
Camshaft Position "A" Actuator Circuit (Bank 1)
1. Open or short in Oil Control Valve (OCV) circuit
2. OCV (bank 1)
3. ECM
Come on
DTC stored
Click here
P0011
Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
1. Valve timing
2. OCV
3. OCV filter
4. Camshaft timing gear assembly
5. ECM
Come on *4
Does not come on *5
DTC stored
Click here
P0012
Camshaft Position "A" - Timing Over-Retarded (Bank 1)
Same as DTC P0011
Come on *4
Does not come on *5
DTC stored
Click here
P0016
Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
1. Mechanical system (Timing chain has jumped tooth or chain
stretched)
2. ECM
Come on
DTC stored
Click here
P0018
Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
Same as DTC P0016
Come on
DTC stored
Click here
P0020
Camshaft Position "A" Actuator Circuit (Bank 2)
1. Open or short in OCV circuit
2. OCV (bank 2)
3. ECM
Come on
DTC stored
Click here
P0021
Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2)
Same as DTC P0011
Come on *4
Does not come on *5
DTC stored
Click here
P0022
Camshaft Position "A" - Timing Over-Retarded (Bank 2)
Same as DTC P0011
Come on *4
Does not come on *5
DTC stored
Click here
P0031 *1
Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
1. Open in Air-Fuel Ratio (A/F) sensor heater circuit
2. A/F sensor heater (bank 1 sensor 1)
3. A/F sensor heater relay
4. ECM
Come on
DTC stored
Click here
P0032 *1
Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
1. Short in A/F sensor heater circuit
2. A/F sensor heater (bank 1 sensor 1)
3. A/F sensor heater relay
4. ECM
Come on
DTC stored
Click here
P0037
Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
1. Open in Heated Oxygen (HO2) sensor heater circuit
2. HO2 sensor heater (bank 1 sensor 2)
3. EFI relay
4. ECM
Come on
DTC stored
Click here
P0038
Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
1. Short in HO2 sensor heater circuit
2. HO2 sensor heater (bank 1 sensor 2)
3. EFI relay
4. ECM
Come on
DTC stored
Click here
P0051 *1
Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)
1. Open in A/F sensor heater circuit
2. A/F sensor heater (bank 2 sensor 1)
3. A/F sensor heater relay
4. ECM
Come on
DTC stored
Click here
P0052 *1
Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
1. Short in A/F sensor heater circuit
2. A/F sensor heater (bank 2 sensor 1)
3. A/F sensor heater relay
4. ECM
Come on
DTC stored
Click here
P0057
Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
1. Open in HO2 sensor heater circuit
2. HO2 sensor heater (bank 2 sensor 2)
3. EFI relay
4. ECM
Come on
DTC stored
Click here
P0058
Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
1. Short in HO2 sensor heater circuit
2. HO2 sensor heater (bank 2 sensor 2)
3. EFI relay
4. ECM
Come on
DTC stored
Click here
P0100
Mass or Volume Air Flow Circuit
1. Open or short in Mass Air Flow (MAF) meter circuit
2. MAF meter
3. ECM
Come on
DTC stored
Click here
P0101
Mass or Volume Air Flow Circuit Range / Performance Problem
MAF meter
Come on
DTC stored
Click here
P0102
Mass or Volume Air Flow Circuit Low Input
1. Open in MAF meter circuit
2. Short in ground circuit
3. MAF meter
4. ECM
Come on
DTC stored
Click here
P0103
Mass or Volume Air Flow Circuit High Input
1. Short in MAF meter circuit (+B circuit)
2. MAF meter
3. ECM
Come on
DTC stored
Click here
P0110
Intake Air Temperature Circuit
1. Open or short in Intake Air Temperature (IAT) sensor circuit
2. IAT sensor (built into Mass Air Flow [MAF] meter)
3. ECM
Come on
DTC stored
Click here
P0112
Intake Air Temperature Circuit Low Input
1. Short in IAT sensor circuit
2. IAT sensor (built into MAF meter)
3. ECM
Come on
DTC stored
Click here
P0113
Intake Air Temperature Circuit High Input
1. Open in IAT sensor circuit
2. IAT sensor (built into MAF meter)
3. ECM
Come on
DTC stored
Click here
P0115
Engine Coolant Temperature Circuit
1. Open or short in Engine Coolant Temperature (ECT) sensor circuit
2. ECT sensor
3. ECM
Come on
DTC stored
Click here
P0116
Engine Coolant Temperature Circuit Range / Performance Problem
ECT sensor
Come on
DTC stored
Click here
P0117
Engine Coolant Temperature Circuit Low Input
1. Short in ECT sensor circuit
2. ECT sensor
3. ECM
Come on
DTC stored
Click here
P0118
Engine Coolant Temperature Circuit High Input
1. Open in ECT sensor circuit
2. ECT sensor
3. ECM
Come on
DTC stored
Click here
P0120
Throttle / Pedal Position Sensor / Switch "A" Circuit
1. Throttle Position (TP) sensor (built into throttle body)
2. ECM
Come on
DTC stored
Click here
P0121
Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
TP sensor (built into throttle body)
Come on
DTC stored
Click here
P0122
Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
1. TP sensor (built into throttle body)
2. Short in VTA1 circuit
3. Open in VC circuit
4. ECM
Come on
DTC stored
Click here
P0123
Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
1. TP sensor (built into throttle body)
2. Open in VTA1 circuit
3. Open in E2 circuit
4. Short between VC and VTA1 circuits
5. ECM
Come on
DTC stored
Click here
P0125 *4
Insufficient Coolant Temperature for Closed Loop Fuel Control
1. Cooling system
2. ECT sensor
3. Thermostat (water inlet)
Come on
DTC stored
Click here
P0128 *6
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
1. Thermostat (water inlet)
2. Cooling system
3. ECT sensor
4. ECM
Come on
DTC stored
Click here
P0136
Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
1. Open or short in HO2 sensor circuit
2. HO2 sensor (bank 1 sensor 2)
3. HO2 sensor heater (bank 1 sensor 2)
4. A/F sensor (bank 1 sensor 1)
5. EFI relay
6. Gas leakage from exhaust system
Come on
DTC stored
Click here
P0137
Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
1. Open in HO2 sensor (bank 1 sensor 2) circuit
2. HO2 sensor (bank 1 sensor 2)
3. HO2 sensor heater (bank 1 sensor 2)
4. EFI relay
5. Gas leakage from exhaust system
Come on
DTC stored
Click here
P0138
Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
1. Short in HO2 sensor (bank 1 sensor 2) circuit
2. HO2 sensor (bank 1 sensor 2)
3. ECM internal circuit malfunction
Come on
DTC stored
Click here
P0156
Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
1. Open or short in HO2 sensor circuit
2. HO2 sensor (bank 2 sensor 2)
3. HO2 sensor heater (bank 2 sensor 2)
4. A/F sensor (bank 2 sensor 1)
5. EFI relay
6. Gas leakage from exhaust system
Come on
DTC stored
Click here
P0157
Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
1. Open in HO2 sensor (bank 2 sensor 2) circuit
2. HO2 sensor (bank 2 sensor 2)
3. HO2 sensor heater (bank 2 sensor 2)
4. EFI relay
5. Gas leakage from exhaust system
Come on
DTC stored
Click here
P0158
Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
1. Short in HO2 sensor (bank 2 sensor 2) circuit
2. HO2 sensor (bank 2 sensor 2)
3. ECM internal circuit malfunction
Come on
DTC stored
Click here
P0171 *4
System Too Lean (Bank 1)
1. Air induction system
2. Injector blockage
3. MAF meter
4. ECT sensor
5. Fuel pressure
6. Gas leakage in exhaust system
7. Open or short in A/F sensor (bank 1 sensor 1) circuit
8. A/F sensor (bank 1 sensor 1)
9. A/F sensor heater (bank 1 sensor 1)
10. A/F sensor heater relay
11. A/F sensor heater and A/F sensor heater relay circuits
12. PCV hose connections
13. PCV valve and hose
14. ECM
Come on
DTC stored
Click here
P0172 *4
System Too Rich (Bank 1)
1. Injector leakage or blockage
2. MAF meter
3. ECT sensor
4. Ignition system
5. Fuel pressure
6. Gas leakage in exhaust system
7. Open or short in A/F sensor (bank 1 sensor 1) circuit
8. A/F sensor (bank 1 sensor 1)
9. A/F sensor heater (bank 1 sensor 1)
10. A/F sensor heater relay
11. A/F sensor heater and A/F sensor heater relay circuits
12. ECM
Come on
DTC stored
Click here
P0174 *4
System Too Lean (Bank 2)
1. Air induction system
2. Injector blockage
3. MAF meter
4. ECT sensor
5. Fuel pressure
6. Gas leakage in exhaust system
7. Open or short in A/F sensor (bank 2 sensor 1) circuit
8. A/F sensor (bank 2 sensor 1)
9. A/F sensor heater (bank 2 sensor 1)
10. A/F sensor heater relay
11. A/F sensor heater and A/F sensor heater relay circuits
12. PCV hose connections
13. PCV valve and hose
14. ECM
Come on
DTC stored
Click here
P0175 *4
System Too Rich (Bank 2)
1. Injector leakage or blockage
2. MAF meter
3. ECT sensor
4. Ignition system
5. Fuel pressure
6. Gas leakage in exhaust system
7. Open or short in A/F sensor (bank 2 sensor 1) circuit
8. A/F sensor (bank 2 sensor 1)
9. A/F sensor heater (bank 2 sensor 1)
10. A/F sensor heater relay
11. A/F sensor heater and A/F sensor heater relay circuits
12. ECM
Come on
DTC stored
Click here
P0220
Throttle / Pedal Position Sensor / Switch "B" Circuit
1. TP sensor (built into throttle body)
2. ECM
Come on
DTC stored
Click here
P0222
Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
1. TP sensor (built into throttle body)
2. Short in VTA2 circuit
3. Open in VC circuit
4. ECM
Come on
DTC stored
Click here
P0223
Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
1. TP sensor (built into throttle body)
2. Open in VTA2 circuit
3. Open in E2 circuit
4. Short between VC and VTA2 circuits
5. ECM
Come on
DTC stored
Click here
P0230
Fuel Pump Primary Circuit
1. Open or short in fuel pump relay circuit
2. Fuel pump relay
3. ECM
Does not come on
DTC stored
Click here
P0300
Random / Multiple Cylinder Misfire Detected
1. Open or short in engine wire harness
2. Connector connection
3. Vacuum hose connection
4. Ignition system
5. Injector
6. Fuel pressure
7. MAF meter
8. ECT sensor
9. Compression pressure
10. Valve clearance
11. Valve timing
12. PCV hose connection
13. PCV hose
14. ECM
15. Air induction system
Come on or flash
DTC stored
Click here
P0301
Cylinder 1 Misfire Detected
Same as DTC P0300
Come on or flash
DTC stored
Click here
P0302
Cylinder 2 Misfire Detected
Same as DTC P0300
Come on or flash
DTC stored
Click here
P0303
Cylinder 3 Misfire Detected
Same as DTC P0300
Come on or flash
DTC stored
Click here
P0304
Cylinder 4 Misfire Detected
Same as DTC P0300
Come on or flash
DTC stored
Click here
P0305
Cylinder 5 Misfire Detected
Same as DTC P0300
Come on or flash
DTC stored
Click here
P0306
Cylinder 6 Misfire Detected
Same as DTC P0300
Come on or flash
DTC stored
Click here
P0327
Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
1. Short in knock sensor 1 circuit
2. Knock sensor 1
3. ECM
Come on
DTC stored
Click here
P0328
Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
1. Open in knock sensor 1 circuit
2. Knock sensor 1
3. ECM
Come on
DTC stored
Click here
P0332
Knock Sensor 2 Circuit Low Input (Bank 2)
1. Short in knock sensor 2 circuit
2. Knock sensor 2
3. ECM
Come on
DTC stored
Click here
P0333
Knock Sensor 2 Circuit High Input (Bank 2)
1. Open in knock sensor 2 circuit
2. Knock sensor 2
3. ECM
Come on
DTC stored
Click here
P0335
Crankshaft Position Sensor "A" Circuit
1. Open or short in Crankshaft Position Sensor (CKP) circuit
2. CKP sensor
3. Sensor plate (CKP sensor plate)
4. ECM
Come on
DTC stored
Click here
P0339
Crankshaft Position Sensor "A" Circuit Intermittent
Same as DTC P0335
Does not come on
DTC stored
Click here
P0340
Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
1. Open or short in VVT sensor circuit
2. VVT sensor
3. Camshaft timing pulley
4. Jumped tooth of timing chain
5. ECM
Come on
DTC stored
Click here
P0342
Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
Sam as DTC P0340
Come on
DTC stored
Click here
P0343
Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
Sam as DTC P0340
Come on
DTC stored
Click here
P0345
Camshaft Position Sensor "A" Circuit (Bank 2)
Sam as DTC P0340
Come on
DTC stored
Click here
P0347
Camshaft Position Sensor "A" Circuit Low Input (Bank 2)
Sam as DTC P0340
Come on
DTC stored
Click here
P0348
Camshaft Position Sensor "A" Circuit High Input (Bank 2)
Sam as DTC P0340
Come on
DTC stored
Click here
P0351 *2
Ignition Coil "A" Primary / Secondary Circuit
1. Ignition system
2. Open or short in IGF1 or IGT circuit (1 to 6) between ignition coil with igniter and ECM
3. No.1 to No.6 ignition coil with igniters
4. ECM
Come on
DTC stored
Click here
P0352 *2
Ignition Coil "B" Primary / Secondary Circuit
Same as DTC P0351
Come on
DTC stored
Click here
P0353 *2
Ignition Coil "C" Primary / Secondary Circuit
Same as DTC P0351
Come on
DTC stored
Click here
P0354 *2
Ignition Coil "D" Primary / Secondary Circuit
Same as DTC P0351
Come on
DTC stored
Click here
P0355 *2
Ignition Coil "E" Primary / Secondary Circuit
Same as DTC P0351
Come on
DTC stored
Click here
P0356 *2
Ignition Coil "F" Primary / Secondary Circuit
Same as DTC P0351
Come on
DTC stored
Click here
P0420 *3
Catalyst System Efficiency Below Threshold (Bank 1)
1. Gas leakage from exhaust system
2. A/F sensor (bank 1 sensor 1)
3. HO2 sensor (bank 1 sensor 2)
4. Exhaust manifold (Three-Way Catalytic Converter [TWC])
Come on
DTC stored
Click here
P0430 *3
Catalyst System Efficiency Below Threshold (Bank 2)
1. Gas leakage from exhaust system
2. A/F sensor (bank 2 sensor 1)
3. HO2 sensor (bank 2 sensor 2)
4. Exhaust manifold (Three-Way Catalytic Converter [TWC])
Come on
DTC stored
Click here
P043E *3
Evaporative Emission System Reference Orifice Clog Up
1. Pump module
2. Connector/Wire harness (between pump module and ECM)
3. ECM
4. Leakage from EVAP system
Come on
DTC stored
Click here
P043F *3
Evaporative Emission System Reference Orifice High Flow
1. Pump module
2. Connector/Wire harness (between pump module and ECM)
3. ECM
4. Leakage from EVAP system
Come on
DTC stored
Click here
P0441 *3
Evaporative Emission Control System Incorrect Purge Flow
1. Purge VSV
2. Connector/wire harness (Purge VSV-ECM)
3. ECM
4. Pump module
5. Leakage from EVAP system
6. Leakage from EVAP line (Purge VSV-Intake manifold)
Come on
DTC stored
Click here
P0450 *3
Evaporative Emission Control System Pressure Sensor / Switch
1. Pump module (including pressure sensor)
2. ECM
Come on
DTC stored
Click here
P0451 *3
Evaporative Emission Control System Pressure Sensor Range / Performance
1. Pump module (including pressure sensor)
2. Connector/Wire harness (between pump module and ECM)
3. ECM
Come on
DTC stored
Click here
P0452 *3
Evaporative Emission Control System Pressure Sensor / Switch Low Input
1. Pump module (including pressure sensor)
2. Connector/Wire harness (between pump module and ECM)
3. ECM
Come on
DTC stored
Click here
P0453 *3
Evaporative Emission Control System Pressure Sensor / Switch High Input
1. Pump module (include pressure sensor)
2. Connector/Wire harness (between pump module and ECM)
3. ECM
Come on
DTC stored
Click here
P0455 *3
Evaporative Emission Control System Leak Detected (Gross Leak)
1. Fuel tank cap (loose)
2. Leakage from EVAP line (between canister and fuel tank)
3. Leakage from EVAP line (between purge VSV and canister)
4. Leakage from pump module
5. Leakage from fuel tank
6. Leakage from canister
Come on
DTC stored
Click here
P0456 *3
Evaporative Emission Control System Leak Detected (Very Small Leak)
Same as DTC P0455
Come on
DTC stored
Click here
P0500
Vehicle Speed Sensor "A"
1. Open or short in speed sensor circuit
2. Combination meter
3. ECM
4. Skid control ECU
Come on
DTC stored
Click here
P0504
Brake Switch "A" / "B" Correlation
1. Short in stop light switch signal circuit
2. STOP fuse
3. Stop light switch
4. ECM
Does not come on
DTC stored
Click here
P0505 *4
Idle Control System Malfunction
1. ETCS (Electronic Throttle Control System)
2. Air induction system
3. PCV hose connection
4. ECM
Come on
DTC stored
Click here
P050A
Cold Start Idle Air Control System Performance
1. ETCS (Electronic Throttle Control System)
2. MAF meter
3. Air induction system
4. PCV hose connection
5. ECM
Come on
DTC stored
Click here
P050B
Cold Start Ignition Timing Performance
1. ETCS (Electronic Throttle Control System)
2. MAF meter
3. Air induction system
4. PCV hose connection
5. ECM
Come on
DTC stored
Click here
P0560
System Voltage
1. Open in back up power source circuit
2. EFI fuse
3. ECM
Come on
DTC stored
Click here
P0604
Internal Control Module Random Access Memory (RAM) Error
ECM
Come on
DTC stored
Click here
P0606
ECM / PCM Processor
ECM
Come on
DTC stored
Click here
P0607
Control Module Performance
ECM
Come on
DTC stored
Click here
P0617
Starter Relay Circuit High
1. Park/Neutral Position (PNP) switch
2. Starter relay circuit
3. Ignition switch
4. ECM
Come on
DTC stored
Click here
P0630
VIN not Programmed or Mismatch - ECM / PCM
ECM
Come on
DTC stored
Click here
P0657
Actuator Supply Voltage Circuit / Open
ECM
Come on
DTC stored
Click here
P2102
Throttle Actuator Control Motor Circuit Low
1. Open in throttle actuator circuit
2. Throttle actuator
3. ECM
Come on
DTC stored
Click here
P2103
Throttle Actuator Control Motor Circuit High
1. Short in throttle actuator circuit
2. Throttle actuator
3. Throttle valve
4. Throttle body
5. ECM
Come on
DTC stored
Click here
P2111
Throttle Actuator Control System - Stuck Open
1. Throttle actuator
2. Throttle body
3. Throttle valve
Come on
DTC stored
Click here
P2112
Throttle Actuator Control System - Stuck Closed
Same as DTC P2111
Come on
DTC stored
Click here
P2118
Throttle Actuator Control Motor Current Range / Performance
1. Open in ETCS power source circuit
2. ETCS fuse
3. ECM
Come on
DTC stored
Click here
P2119
Throttle Actuator Control Throttle Body Range / Performance
1. ETCS
2. ECM
Come on
DTC stored
Click here
P2120
Throttle / Pedal Position Sensor / Switch "D" Circuit
1. Accelerator Pedal Position (APP) sensor
2. ECM
Come on
DTC stored
Click here
P2121
Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
1. APP sensor
2. ECM
Come on
DTC stored
Click here
P2122
Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
1. APP sensor
2. Open in VCP1 circuit
3. Open or ground short VPA circuit
4. ECM
Come on
DTC stored
Click here
P2123
Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
1. APP sensor
2. Open in EPA circuit
3. ECM
Come on
DTC stored
Click here
P2125
Throttle / Pedal Position Sensor / Switch "E" Circuit
1. APP sensor
2. ECM
Come on
DTC stored
Click here
P2127
Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
1. APP sensor
2. Open in VCP2 circuit
3. Open or ground short VPA2 circuit
4. ECM
Come on
DTC stored
Click here
P2128
Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
1. APP sensor
2. Open in EPA2 circuit
3. ECM
Come on
DTC stored
Click here
P2135
Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
1. Short between VTA1 and VTA2 circuits
2. TP sensor (built into throttle body)
3. ECM
Come on
DTC stored
Click here
P2138
Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
1. Short between VPA and VPA2 circuits
2. APP sensor
3. ECM
Come on
DTC stored
Click here
P2195 *1, *3
Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
1. Open or short in A/F sensor (bank 1 sensor 1) circuit
2. A/F sensor (bank 1 sensor 1)
3. A/F sensor heater (bank 1 sensor 1)
4. A/F sensor heater relay
5. A/F sensor heater and relay circuits
6. Air induction system
7. Fuel pressure
8. Injector
9. ECM
Come on
DTC stored
Click here
P2196 *1, *3
Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
Same as DTC P2195
Come on
DTC stored
Click here
P2197 *1, *3
Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
1. Open or short in A/F sensor (bank 2 sensor 1) circuit
2. A/F sensor (bank 2 sensor 1)
3. A/F sensor heater (bank 2 sensor 1)
4. A/F sensor heater relay
5. A/F sensor heater and relay circuits
6. Air induction system
7. Fuel pressure
8. Injector
9. ECM
Come on
DTC stored
Click here
P2198 *1, *3
Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
Same as DTC P2197
Come on
DTC stored
Click here
P2238 *1
Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
1. Open or short in A/F sensor (bank 1 sensor 1) circuit
2. A/F sensor (bank 1 sensor 1)
3. A/F sensor heater (bank 1 sensor 1)
4. A/F sensor heater relay
5. A/F sensor heater and relay circuit
6. ECM
Come on
DTC stored
Click here
P2239 *1
Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
Same as DTC P2238
Come on
DTC stored
Click here
P2241 *1
Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1)
1. Open or short in A/F sensor (bank 2 sensor 1) circuit
2. A/F sensor (bank 2 sensor 1)
3. A/F sensor heater (bank 2 sensor 1)
4. A/F sensor heater relay
5. A/F sensor heater and relay circuit
6. ECM
Come on
DTC stored
Click here
P2242 *1
Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1)
Same as DTC P2241
Come on
DTC stored
Click here
P2252 *1
Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
Same as DTC P2238
Come on
DTC stored
Click here
P2253 *1
Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
Same as DTC P2238
Come on
DTC stored
Click here
P2255 *1
Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1)
Same as DTC P2241
Come on
DTC stored
Click here
P2256 *1
Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1)
Same as DTC P2241
Come on
DTC stored
Click here
P2401 *3
Evaporative Emission System Leak Detection Pump Control Circuit Low
1. Pump module
2. Connector/Wire harness (between pump module and ECM)
3. ECM
4. Leakage from EVAP
Come on
DTC stored
Click here
P2402 *3
Evaporative Emission System Leak Detection Pump Control Circuit High
1. Pump module
2. Connector/Wire harness (between pump module and ECM)
3. ECM
Come on
DTC stored
Click here
P2419 *3
Evaporative Emission System Switching Valve Control Circuit Low
1. Pump module
2. Connector/Wire harness (between pump module and ECM)
3. ECM
Come on
DTC stored
Click here
P2420 *3
Evaporative Emission System Switching Valve Control Circuit High
1. Pump module
2. Connector/Wire harness (between pump module and ECM)
3. ECM
4. Leakage from EVAP
Come on
DTC stored
Click here
P2610 *3
ECM / PCM Internal Engine Off Timer Performance
ECM
Come on
DTC stored
Click here
P2A00 *3
A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
1. Open or short in A/F sensor circuit
2. A/F sensor
3. ECM
Come on
DTC stored
Click here
P2A03 *3
A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
1. Open or short in A/F sensor circuit
2. A/F sensor
3. ECM
Come on
DTC stored
Click here
*1: This DTC is related to A/F sensor, although the caption is the heated oxygen sensor.
*2: This DTC indicates a malfunction related to the primary circuit.
*3: USA
*4: USA and MEXICO
*5: L/OBD
*6: w/o L/OBD