Diagnostic Procedure
PUSH BUTTON START SYSTEM DOES NOT OPERATE DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
VERIFY IF MALFUNCTION CAUSE IS EXTERNAL NOISE
- Ask the customer malfunction condition.
- Does the malfunction occur at the specified place where external noise is received such as a TV tower, electric power station, or a broadcast station?
|
Yes |
System is normal. (Explain the customer that operation cannot be performed caused by external noise.) |
| No |
Go to the next step. |
| 2 |
INSPECT IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN START STOP UNIT AND PUSH BUTTON start
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION
.)
- Disconnect the start stop unit and push button start connector.
- Inspect for continuity between the following terminals (vehicle wiring harness).
- Start stop unit terminal 1H and push button start terminal C
- Start stop unit terminal 2J and push button start terminal 1
- Is there continuity?
|
Yes |
Go to the next step. |
| No |
- Repair or replace the wiring harness for an open circuit.
- After repair procedure, go to Step 4.
|
| 3 |
INSPECT IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN START STOP UNIT AND GROUND
- Verify that the start stop unit connector is disconnected.
- Inspect for continuity between the following terminals (vehicle wiring harness).
- Start stop unit terminal 1AF and ground
- Start stop unit terminal 2B and ground
- Is there continuity?
|
Yes |
Go to the next step. |
| No |
- Repair or replace the wiring harness for an open circuit.
- After repair, go to the next step.
|
| 4 |
VERIFY IF MALFUNCTION CAUSE WAS CORRECTED
- Does the push button start button operate correctly?
|
Yes |
Troubleshooting completed. (Explain the contents of the servicing to the customer.) |
| No |
If the malfunction has not been resolved, repeat the inspection from Step 1. |