Inspection Procedure 3: AS&G Indicator/Display or AS&G OFF Indicator/Display is Not Turned ON Right After The Ignition Switch is Turned to The "ON" Position


FUNCTION


The AS&G-ECU sends the signal to the combination meter through the CAN, corresponding to the state of the AS&G system. When receiving the signal, the combination meter turns ON or blinks the AS&G indicator/display or AS&G OFF indicator/display.

COMMENTS ON TROUBLE SYMPTOM


The failure could possibly be caused by the failed combination meter, failed AS&G-ECU and so on.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE

STEP 1. Check the trouble symptom.

Q. Does the trouble symptom persist?
YES <AS&G indicator/display is not turned ON> : Go to Step 2.
YES <AS&G OFF indicator/display is not turned ON> : Go to Step 3.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).

STEP 2. M.U.T.-III data list

  • Refer to Data List Reference Table .

    1. item 25: AS&G indicator lamp (output)

Q. Is the check result normal?
Check combination meter system (Refer to GROUP 54A - Combination Meter - Trouble Symptom Chart ).
Go to Step 4.

STEP 3. M.U.T.-III data list

  • Refer to Data List Reference Table .

    1. item 24: AS&G OFF indicator lamp (output)

Q. Is the check result normal?
Check combination meter system (Refer to GROUP 54A - Combination Meter - Trouble Symptom Chart ).
Go to Step 4.

STEP 4. Check the trouble symptom

Q. Does the trouble symptom persist?
Replace the AS&G-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).