Power Tilt And Power Telescopic Steering Column System - Ig Power Source Circuit

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - STEERING COLUMN

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (ECU-IG1 No. 1)

CHECK MULTIPLEX TILT AND TELESCOPIC ECU (IG TERMINAL VOLTAGE)

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND)

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - MAIN BODY ECU)

POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM - IG Power Source Circuit

DESCRIPTION

When the engine switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.


The multiplex tilt and telescopic ECU also receives engine switch signals via this circuit.


WIRING DIAGRAM

Power Tilt And Power Telescopic Steering Column System - Ig Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

1.INSPECT FUSE (ECU-IG1 No. 1)

Remove the ECU-IG1 No. 1 fuse from the main body ECU.

Measure the resistance of the fuse.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    ECU-IG1 No. 1 fuseAlwaysBelow 1 Ω
NG
REPLACE FUSE
OK
2.CHECK MULTIPLEX TILT AND TELESCOPIC ECU (IG TERMINAL VOLTAGE)
Power Tilt And Power Telescopic Steering Column System - Ig Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the E27 connector from the multiplex tilt and telescopic ECU.

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

  • Standard Voltage:
  • Tester ConnectionSwitch ConditionSpecified Condition
    E27-8 (IG) - E27-11 (GND)Engine switch on (IG)11 to 14 V
NG
Go to step 3
OK
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU ()
3.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND)
Power Tilt And Power Telescopic Steering Column System - Ig Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    E27-11 (GND) - Body groundAlwaysBelow 1 Ω
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
4.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - MAIN BODY ECU)

Power Tilt And Power Telescopic Steering Column System - Ig Power Source Circuit. STEERING COLUMN. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

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

  • Standard Voltage:
  • Tester ConnectionSwitch ConditionSpecified Condition
    2D-56 - Body groundEngine switch on (IG)11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (MAIN BODY ECU - BATTERY)
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - MAIN BODY ECU)