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Generator Signal Circuit: Procedure

  1. CHECK DAYTIME RUNNING LIGHT RELAY ASSEMBLY 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 1: Checking E42 Daytime Running Light Relay Assembly Connector Terminals
      GTY229928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Condition Specified Condition
      E42-6 (CHG-) - Body ground Engine running 11 to 14 V

    NG → See step   2 

    OK → See step   3 

  2. INSPECT GENERATOR ASSEMBLY 
    1. Inspect the generator assembly. Refer to INSPECTION for 2ZR-FE. Refer to INSPECTION for 2AZ-FE).

      Result

      Result Proceed to
      OK A
      NG (for 2ZR-FE) B
      NG (for 2AZ-FE) C

    B → See step   4 

    C → See step   5 

    A → REPAIR OR REPLACE HARNESS OR CONNECTOR (GENERATOR ASSEMBLY - DAYTIME RUNNING LIGHT RELAY) 

  3. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE  
  4. REPLACE GENERATOR ASSEMBLY. Refer to  COMPONENTS 
  5. REPLACE GENERATOR ASSEMBLY. Refer to  COMPONENTS