DYNAMIC RADAR CRUISE CONTROL SYSTEM Distance Control ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the distance control ECU.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   INSPECT FUSE (ECU-IG No. 3)

   
   

   1. Remove the ECU-IG No. 3 fuse from the cowl side junction block RH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition ECU-IG No. 3 fuse Always Below 1 Ω

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - BATTERY AND BODY GROUND)

   
   
   1. 

      Disconnect the E108 distance control ECU connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition E108-1 (B) - Body ground Engine switch on (IG) 11 to 14 V Engine switch off Below 1 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition E108-12 (GND) - Body ground Always Below 1 Ω

   
   
   • OKClick here
   • NGClick here
3. Click here

   PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLEClick here

4. Click here

   REPLACE FUSE

5. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR