Inspection Procedure

HINT:

Troubleshoot in accordance with the chart below for each trouble symptom.

Fig 1: MIL Inspection Procedure Chart

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1. Inspect diagnosis (normal mode, check mode) (See  PRE-CHECK   ). 
   1. OK: Check and replace ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
   2. NG: Go to next step. 
2. Check MIL 

   See the combination meter troubleshooting on PROBLEM SYMPTOMS TABLE .

   1. NG: Repair or replace bulb or combination meter assembly. 
   2. OK: Go to next step. 
3. Check that ECM connectors are securely connected to ECM. 
   1. NO: Connector to ECM. 
   2. YES: Check for open circuit in harness and connector between combination meter and ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
4. Check operation of MIL (See step   1 ). 
   1. OK: Check and replace ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
   2. NG: Go to next step. 
5. Is any DTC output? 

   Check DTC on DIAGNOSTIC TROUBLE CODE CHART 

   1. YES: Repair circuit indicated by output code. 
   2. NO: Go to next step. 
6. Check IG1 relay (Marking: IG1) (See  IGNITION SWITCH & KEY UNLOCK WARNING SYSTEM  ). 
   1. NG: Replace IG1 relay. 
   2. OK: Check for short circuit in harness and connector between DLC3 and ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ).