Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - THEFT DETERRENT / KEYLESS ENTRY

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK WHETHER DTC OUTPUT RECURS

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

INSPECT MAIN BODY ECU

DTC B2276 ACCR Signal Circuit Malfunction

DESCRIPTION

This DTC is stored when a malfunction is detected in the ACCR signal output by the main body ECU.

DTC CodeDetection ConditionTrouble Area
B2276The ACCR output circuit inside the main body ECU or other related circuit is malfunctioning.
Main body ECU
ECM
Harness or connector

WIRING DIAGRAM

Dtc B2276 Accr Signal Circuit Malfunction. THEFT DETERRENT / KEYLESS ENTRY. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

1.CHECK WHETHER DTC OUTPUT RECURS

Clear the DTCs ().

Check whether DTC B2276 is output 50 seconds or more after the engine switch is turned on (IG).

Result
ResultProceed to
DTC B2276 outputA
No DTC outputB
B
USE SIMULATION METHOD TO CHECK (SYSTEM IS OK) ()
A
2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

Dtc B2276 Accr Signal Circuit Malfunction. THEFT DETERRENT / KEYLESS ENTRY. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the E2 main body ECU connector.

Disconnect the A38 (for LHD) or A52 (for RHD) ECM connector.

Measure the resistance according to the value(s) in the table below.

  • Standard Resistance (for 1UR-FE, 3UR-FE, 1GR-FE):
  • Tester ConnectionConditionSpecified Condition
    E2-3 (ACCR) - A38-41 (ACCR)*1
    E2-3 (ACCR) - A52-41 (ACCR)*2    		AlwaysBelow 1 Ω
    E2-3 (ACCR) or A38-41 (ACCR) - Body ground*1
    E2-3 (ACCR) or A52-41 (ACCR) - Body ground*2    		Always10 kΩ or higher
  • HINT:
  • *1: for LHD
  • *2: for RHD
  • Standard Resistance (for 1VD-FTV w/o DPF):
  • Tester ConnectionConditionSpecified Condition
    E2-3 (ACCR) - A38-13 (ACCR)*1
    E2-3 (ACCR) - A52-13 (ACCR)*2    		AlwaysBelow 1 Ω
    E2-3 (ACCR) or A38-13 (ACCR) - Body ground*1
    E2-3 (ACCR) or A52-13 (ACCR) - Body ground*2    		Always10 kΩ or higher
  • HINT:
  • *1: for LHD
  • *2: for RHD
  • Standard Resistance (for 1VD-FTV w/ DPF):
  • Tester ConnectionConditionSpecified Condition
    E2-3 (ACCR) - A38-22 (ACCR)*1
    E2-3 (ACCR) - A52-22 (ACCR)*2    		AlwaysBelow 1 Ω
    E2-3 (ACCR) or A38-22 (ACCR) - Body ground*1
    E2-3 (ACCR) or A52-22 (ACCR) - Body ground*2    		Always10 kΩ or higher
  • HINT:
  • *1: for LHD
  • *2: for RHD
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
3.INSPECT MAIN BODY ECU
Dtc B2276 Accr Signal Circuit Malfunction. THEFT DETERRENT / KEYLESS ENTRY. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Measure the voltage according to the value(s) in the table below.

  • Standard Voltage:
  • Tester ConnectionConditionSpecified Condition
    E2-3 (ACCR) - Body groundEngine switch pressed and engine cranking11 to 14 V
Result
ResultProceed to
Outside specified rangeA
Within specified range (for 1GR-FE)B
Within specified range (for 1UR-FE)C
Within specified range (for 3UR-FE)D
Within specified range (for 1VD-FTV)E
B
REPLACE ECM ()
C
REPLACE ECM ()
D
REPLACE ECM ()
E
REPLACE ECM ()
A
REPLACE MAIN BODY ECU
THEFT DETERRENT / KEYLESS ENTRY
Land Cruiser URJ200 URJ202 GRJ200 VDJ200
ENTRY AND START SYSTEM for Start Function