lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Backup Lamp > < Automatic Lighting System Diode|Testing and Inspection|Page 14993
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NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. CHECK MAIN BODY ECU (CLTB VOLTAGE)

(a) Disconnect the L12 ECU connector.
(b) Measure the voltage according to the value(s) in the table below.

Standard voltage:

NG -- REPLACE MAIN BODY ECU
OK -- REPLACE AUTOMATIC LIGHT CONTROL SENSOR

Backup Lamp > < Automatic Lighting System Diode|Testing and Inspection|Page 14993