lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 3967 > < Initial Inspection and Diagnostic Overview|Page 3965
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NEXT -- Continue to next step.

2. CHECK FOR OPEN IN CAN BUS WIRE (ELECTRIC POWER CONTROL ECU BRANCH WIRE)

(a) Disconnect the A69 electric power control ECU connector.

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

Standard resistance:

NG --  REPAIR OR REPLACE ELECTRIC POWER CONTROL ECU BRANCH WIRE OR CONNECTOR (CANH, CANL)
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (ELECTRIC POWER CONTROL ECU - BATTERY AND BODY GROUND)

(a) Connect the cable to the negative (-) battery terminal.

NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected  
  See: Testing and
Inspection/Programming and Relearning/Repair Instruction- Initialization.

(b) Disconnect the PA, PK and PM electric power control ECU connectors.

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

Standard resistance:

Initial Inspection and Diagnostic Overview|Page 3967 > < Initial Inspection and Diagnostic Overview|Page 3965