Двигатель. COROLLA, AURIS. ZZE150 ZRE151,152 NDE150
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
READ VALUE OF INTELLIGENT TESTER (STARTER SIGNAL)
CHECK ST RELAY (POWER SOURCE)
INSPECT ST RELAY
CHECK HARNESS AND CONNECTOR (ST RELAY - BODY GROUND)
CHECK HARNESS AND CONNECTOR (ST RELAY - CLUTCH PEDAL SWITCH ASSEMBLY)
INSPECT CLUTCH PEDAL SWITCH ASSEMBLY
CHECK HARNESS AND CONNECTOR (CLUTCH PEDAL SWITCH ASSEMBLY - IGNITION SWITCH ASSEMBLY)
INSPECT IGNITION SWITCH ASSEMBLY
INSPECT FUSE (AM1 FUSE)
CHECK HARNESS AND CONNECTOR (ST RELAY - PARK/NEUTRAL POSITION SWITCH)
INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY
CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH ASSEMBLY)
INSPECT IGNITION SWITCH ASSEMBLY
INSPECT FUSE (AM1 FUSE)
СИСТЕМА SFI - Сигнальная цепь стартера |
DESCRIPTION
While the engine is being cranked, current flows from terminal ST1 of the ignition switch to the park/neutral position switch (for automatic transaxle) or clutch pedal switch (for manual transaxle) and also flows to terminal STA of the ECM (STA Signal).
WIRING DIAGRAM
INSPECTION PROCEDURE
- УКАЗАНИЕ:
- This chart is based on the premise that the engine can crank normally. If the engine cannot crank normally, proceed to the problem symptoms table (See page Нажмите здесь).
1.READ VALUE OF INTELLIGENT TESTER (STARTER SIGNAL) |
Connect the intelligent tester to the DLC3.
Turn the ignition switch on (IG).
Turn the tester on.
Enter the following menu items: Powertrain / Engine and ECT / Data List / Starter SIG.
Read the value.
- OK:
Ignition Switch Position
| Starter Signal
|
ON
| OFF
|
START
| ON
|
OK |
|
|
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (Нажмите здесь) |
|
2.CHECK ST RELAY (POWER SOURCE) |
Remove the ST relay from the No. 5 relay block.
Measure the voltage according to the value(s) in the table below.
- Standard voltage:
Tester Connection
| Condition
| Specified Condition
|
ST relay terminal 1 - Body ground
| Engine cranking
| 9 to 14 V
|
- УКАЗАНИЕ:
- The engine does not crank because the relay is not installed.
Reinstall the ST relay.
- Result:
Result
| Proceed to
|
OK
| A
|
NG (Manual transaxle)
| B
|
NG (Automatic transaxle)
| C
|
Remove the ST relay from the No. 5 relay block.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
3 - 5
| Always
| 10 kΩ or higher
|
3 - 5
| Always
| Below 1 Ω (Apply the battery voltage between terminals 1 and 2)
|
Reinstall the ST relay.
4.CHECK HARNESS AND CONNECTOR (ST RELAY - BODY GROUND) |
Remove the ST relay from the No. 5 relay block.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
ST relay terminal 2 - Body ground
| Always
| Below 1 Ω
|
Reinstall the ST relay.
- Result:
Result
| Proceed to
|
OK (Manual transaxle)
| A
|
OK (Automatic transaxle)
| B
|
NG
| C
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - PARK/NEUTRAL POSITION SWITCH) |
|
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - BODY GROUND) |
|
|
A |
|
|
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - CLUTCH PEDAL SWITCH ASSEMBLY) |
|
5.CHECK HARNESS AND CONNECTOR (ST RELAY - CLUTCH PEDAL SWITCH ASSEMBLY) |
Remove the ST relay from the No. 5 relay block.
Disconnect the clutch pedal switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance (Check for open):
Tester Connection
| Condition
| Specified Condition
|
ST relay terminal 1 - A5-1
| Always
| Below 1 Ω
|
- Standard resistance (Check for short):
Tester Connection
| Condition
| Specified Condition
|
ST relay terminal 1 or A5-1 - Body ground
| Always
| 10 kΩ or higher
|
Reinstall the ST relay.
Reconnect the clutch pedal switch assembly connector.
| REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - CLUTCH PEDAL SWITCH ASSEMBLY) |
|
|
6.INSPECT CLUTCH PEDAL SWITCH ASSEMBLY |
Disconnect the clutch pedal switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Switch Condition
| Specified Condition
|
1 - 2
| Pin not pushed
| 10 kΩ or higher
|
Pin pushed
| Below 1 Ω
|
Reconnect the clutch pedal switch assembly connector.
7.CHECK HARNESS AND CONNECTOR (CLUTCH PEDAL SWITCH ASSEMBLY - IGNITION SWITCH ASSEMBLY) |
Disconnect the clutch pedal switch assembly connector.
Disconnect the ignition switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance (Check for open):
Tester Connection
| Condition
| Specified Condition
|
A5-2 - E4-1 (ST1)
| Always
| Below 1 Ω
|
- Standard resistance (Check for short):
Tester Connection
| Condition
| Specified Condition
|
A5-2 or E4-1 (ST1) - Body ground
| Always
| 10 kΩ or higher
|
Reconnect the clutch pedal switch assembly connector.
Reconnect the ignition switch assembly connector.
| REPAIR OR REPLACE HARNESS OR CONNECTOR (CLUTCH PEDAL SWITCH ASSEMBLY - IGNITION SWITCH ASSEMBLY) |
|
|
8.INSPECT IGNITION SWITCH ASSEMBLY |
Disconnect the ignition switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Ignition Switch Position
| Specified Condition
|
All terminals
| LOCK
| 10 kΩ or higher
|
E4-2 (AM1) - E4-1 (ST1)
| START
| Below 1 Ω
|
Reconnect the ignition switch assembly connector.
9.INSPECT FUSE (AM1 FUSE) |
Remove the AM1 fuse from the instrument panel junction block.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
AM1 fuse
| Always
| Below 1 Ω
|
Reinstall the AM1 fuse.
OK |
|
|
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH ASSEMBLY - BATTERY) |
|
10.CHECK HARNESS AND CONNECTOR (ST RELAY - PARK/NEUTRAL POSITION SWITCH) |
Remove the ST relay from the No. 5 relay block.
Disconnect the park/neutral position switch connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance (Check for open):
Tester Connection
| Condition
| Specified Condition
|
ST relay terminal 1 - B88-5
| Always
| Below 1 Ω
|
- Standard resistance (Check for short):
Tester Connection
| Condition
| Specified Condition
|
ST relay terminal 1 or B88-5 - Body ground
| Always
| 10 kΩ or higher
|
Reinstall the ST relay.
Reconnect the park/neutral position switch connector.
| REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - PARK/NEUTRAL POSITION SWITCH) |
|
|
11.INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
Inspect the park/neutral position switch assembly (See page Нажмите здесь).
12.CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH ASSEMBLY) |
Disconnect the park/neutral position switch connector.
Disconnect the ignition switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance (Check for open):
Tester Connection
| Condition
| Specified Condition
|
B88-4 - E4-1 (ST1)
| Always
| Below 1 Ω
|
- Standard resistance (Check for short):
Tester Connection
| Condition
| Specified Condition
|
B88-4 or E4-1 (ST1) - Body ground
| Always
| 10 kΩ or higher
|
Reconnect the park/neutral position switch connector.
Reconnect the ignition switch assembly connector.
| REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH ASSEMBLY) |
|
|
13.INSPECT IGNITION SWITCH ASSEMBLY |
Disconnect the ignition switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Ignition Switch Position
| Specified Condition
|
All terminals
| LOCK
| 10 kΩ or higher
|
E4-2 (AM1) - E4-1 (ST1)
| START
| Below 1 Ω
|
Reconnect the ignition switch assembly connector.
14.INSPECT FUSE (AM1 FUSE) |
Remove the AM1 fuse from the instrument panel junction block.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
AM1 fuse
| Always
| Below 1 Ω
|
Reinstall the AM1 fuse.
OK |
|
|
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH ASSEMBLY - BATTERY) |
|