lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 13581 > < Diagram Information and Instructions|Page 13579
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(a) Disconnect the S63 ECU connector.
Measure the voltage according to the value(s) in the table below.

Standard voltage:

NOTE:
Do not start the engine.

NG -- REPLACE LUGGAGE ROOM JUNCTION BLOCK (REAR JUNCTION BLOCK ECU)
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (REAR LIGHT - REAR JUNCTION BLOCK ECU AND BODY GROUND)

(a) Disconnect the S63 ECU connector.
(b) Disconnect the S33 and S41 light connectors.
(c) Measure the resistance according to the value(s) in the table below.

Standard resistance:
for LH

for RH

Diagram Information and Instructions|Page 13581 > < Diagram Information and Instructions|Page 13579