DTC Diagnosis Procedure

The ECM receives two vehicle speed signals by the CAN communication line. One is sent from "combination meter", and the other is from TCM (Transmission control module). The ECM uses these signals for ICC control. Refer to System Description . for ICC functions.

1. CHECK DTC WITH TCM 

   Check DTC with TCM. Refer to Diagnosis Description .

   Is the inspection result normal?

   YES

   GO TO 2.

   NO

   Perform Diagnosis Procedure corresponding to the DTC indicated.

2. CHECK DTC WITH "ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)" 

   Refer to Diagnosis Description .

   Is the inspection result normal?

   YES

   GO TO 3.

   NO

   Perform Diagnosis Procedure corresponding to the DTC indicated.

3. CHECK DTC WITH "COMBINATION METER" 

   Check combination meter function.

   Refer to Diagnosis Description .

   INSPECTION END