Lexus LX - Page 328

a. Clear the DTCs (Click here).
b. Check for DTCs (Click here).
Result
Result Proceed to
DTC is output A
DTC is not output B
B USE SIMULATION METHOD TO CHECK ( Click here)
A
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU ( Click here)
3.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - HEADLIGHT DIMMER SWITCH)
a. Disconnect the E27 multiplex tilt and telescopic ECU connector.
b. Disconnect the E14 headlight dimmer switch or E15 windshield wiper switch connector.
c. Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for LHD
Tester Connection Condition
Specified
Condition
E27-4 (VC) - E14-8 (VC)
Always Below 1 Ω
E27-3 (MSW) - E14-10
(MSW)
E14-8 (VC) - Body ground
Always 10 kΩ or higher
E14-10 (MSW) - Body
ground
for RHD
Tester Connection Condition
Specified
Condition
E27-4 (VC) - E15-6 (VC)
Always Below 1 Ω
E27-3 (MSW) - E15-7
(MSW)