Inspection Procedure

HINT:

Troubleshoot each trouble symptom in accordance with TROUBLESHOOT PROCEDURE TABLE .

1. CLEAR DTC (See  DTC CHECK/CLEAR   ) 
   1. Connect the hand-held tester to the DLC3.
   2. Turn the ignition switch ON and turn the hand-held tester main switch ON.
   3. Read the DTC.
   4. Clear the DTC.
   5. Check that MIL is not illuminated.

      OK: MIL is not illuminated 

   1. OK: REPAIR CIRCUIT INDICATED BY OUTPUT CODE (See  DIAGNOSTIC TROUBLE CODE TABLE   ) 
   2. NG: Go to next step. 
2. CHECK WIRE HARNESS (CHECK FOR SHORT IN WIRE HARNESS) 
   1. Disconnect the E5 ECM connector.
   2. Turn the ignition switch ON.
   3. Check that MIL is not illuminated.

      OK: MIL is not illuminated 

      Fig 1: Identifying E5 ECM Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. OK: CHECK AND REPAIR HARNESS AND CONNECTOR 
   2. NG: REPLACE ECM (See  REPLACEMENT  ) 
3. CHECK THAT MIL IS ILLUMINATED 
   1. Check that the MIL is illuminated when turning the ignition switch ON.

      OK: MIL is illuminated 

   1. OK: SYSTEM OK 
   2. NG: Go to next step. 
4. INSPECT COMBINATION METER ASSY (MIL CIRCUIT) 
   1. See the combination meter troubleshooting on PROBLEM SYMPTOMS TABLE .
   1. NG: REPAIR OR REPLACE BULB OR COMBINATION METER ASSEMBLY 
   2. OK: CHECK AND REPAIR HARNESS AND CONNECTOR (COMBINATION METER - ECM)