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Diagnostic Procedure
PUSH BUTTON START SYSTEM DOES NOT OPERATE (SECURITY AND LOCKS) DIAGNOSTIC PROCEDURE
| Step |
Inspection |
Action |
| 1 |
VERIFY REMOTE TRANSMITTER CONDITION
- Verify that a metal object is not installed to the remote transmitter.
- Is a metal object installed?
|
Yes |
Remove the metal object from the remote transmitter, then go to the next step. |
| No |
Go to the next step. |
| 2 |
VERIFY MALFUNCTION CAUSE
- Ask the customer malfunction condition.
- Did the customer operate the push button start with all the push button start system operation conditions met?
|
Yes |
Go to the next step. |
| No |
System is normal. (Explain the customer operation condition.) |
| 3 |
VERIFY ROOM 25 A FUSE AND INTERIOR 15 FUSE CONDITIONS
- Visually inspect the ROOM 25 A fuse and INTERIOR 15 A fuse for disconnection.
- Is there any fuse disconnection?
|
Yes |
Install the ROOM 25 A fuse and INTERIOR 15 A fuse, then go to Step 6. |
| No |
Go to the next step. |
| 4 |
INSPECT IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN START STOP UNIT AND PUSH BUTTON START
- Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE 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 I
- 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 6.
|
| 5 |
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.
|
| 6 |
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. |