THEFT DETERRENT SYSTEM (w/ Smart Entry and Start System) ECU Power Source Circuit

DESCRIPTION

This circuit provides power for main body ECU operation.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU (POWER SOURCE))

   
   
   1. 

      Disconnect the 1D junction block connector.

   2. Measure the voltage according to the value(s) in the table below.

      Standard voltage
      Tester Connection Specified Condition 1D-16 - Body ground 11 to 14 V

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - BODY GROUND)

   
   
   1. 

      Disconnect the 1F and 1M junction block connectors.

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

      Standard resistance
      Tester Connection Specified Condition 1F-10 - Body ground Below 1 Ω 1M-9 - Body ground Below 1 Ω

   
   
   • OKClick here
   • NGClick here
3. Click here

   PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLEClick here

4. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR