Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - STEERING COLUMN

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (STR LOCK)

CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BATTERY)

CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BODY GROUND)

STEERING LOCK SYSTEM - Power Source Circuit

DESCRIPTION

This circuit supplies power source voltage from the battery to terminal B of the steering lock ECU.


The diagnosis information of the steering lock ECU is transmitted to the intelligent tester via the certification ECU (smart key ECU assembly) as the steering lock ECU is not connected to the CAN communication system.


WIRING DIAGRAM

Steering Lock System - Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

  • HINT:
  • When the engine switch is off, the main body ECU may occasionally go into a non-active state called sleep mode. Therefore, before proceeding with the inspection, it is necessary to perform the following steps to wake up the ECU:
  • With the engine switch off, open the driver door. Then (with the engine switch still off) open and close any door several times at 1.5 second intervals.
1.INSPECT FUSE (STR LOCK)

Remove the STR LOCK fuse from the engine room relay block.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    STR LOCK fuseAlwaysBelow 1 Ω
NG
REPLACE FUSE
OK
2.CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BATTERY)
Steering Lock System - Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the E26 steering lock ECU connector.

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

  • Standard Voltage:
  • Tester ConnectionConditionSpecified Condition
    E26-7 (B) - Body groundAlways11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
3.CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BODY GROUND)
Steering Lock System - Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the E26 steering lock ECU connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    E26-1 (GND) - Body groundAlwaysBelow 1 Ω
    E26-2 (SGND) - Body groundAlwaysBelow 1 Ω
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
GO TO STEERING LOCK SYSTEM (PROBLEM SYMPTOMS TABLE) ()
STEERING COLUMN
Land Cruiser URJ200 URJ202 GRJ200 VDJ200
STEERING LOCK SYSTEM