| 1 |
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
- Has FREEZE FRAME DATA been recorded?
|
Yes |
Go to the next step. |
| No |
Record FREEZE FRAME DATA on repair order, then go to the next step. |
| 2 |
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
- Check for related Service Bulletins and/or online repair information availability.
- Is any related repair information available?
|
Yes |
Perform repair or diagnosis according to the available repair information.
- If the vehicle is not repaired, go to the next step.
|
| No |
Go to the next step. |
| 3 |
CLASSIFY HIGH INPUT OR LOW INPUT
- Connect WDS or equivalent to DLC-2.
- Access BOO PID.
- Verify BOO PID during brake pedal operation.
- Is BOO PID always OFF?
|
Yes |
Go to Next step. |
| No |
Go to Step 10. |
| 4 |
INSPECT BRAKE SWITCH CONNECTOR FOR POOR CONNECTION
- Turn ignition switch to OFF.
- Disconnect brake switch connector.
- Inspect for poor connection (such as damaged pulled-out terminals, corrosion).
- Is there any malfunction?
|
Yes |
Repair or replace the terminal, then go to Step 14. |
| No |
Go to the next step. |
| 5 |
CLASSIFY BRAKE SWITCH OR CIRCUIT
- Connect WDS or equivalent to DLC-2.
- Access BOO PID.
- Connect a jumper wire between brake switch terminal A and B (harness-side).
- Is BOO PID on?
|
Yes |
Go to the next step. |
| No |
Go to Step 7. |
| 6 |
INSPECT BRAKE SWITCH
|
Yes |
Go to Step 14. |
| No |
Replace brake switch, then go to Step 14. |
| 7 |
INSPECT BRAKE SWITCH POWER CIRCUIT FOR OPEN CIRCUIT
- Measure voltage between brake switch connector terminal B (harness-side) and body ground.
- Is voltage B+
?
|
Yes |
Go to the next step. |
| No |
Repair or replace brake switch power circuit for open circuit, then Go to Step 14. |
| 8 |
INSPECT PCM CONNECTOR FOR POOR CONNECTION
- Turn ignition switch to OFF.
- Disconnect PCM connector.
- Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
- Is there any malfunction?
|
Yes |
Repair or replace the terminal, then go to Step 14. |
| No |
Go to the next step. |
| 9 |
INSPECT BRAKE SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT
- Inspect continuity between brake switch terminal D (harness-side) and PCM terminal 82, 1K (harness-side).
- Is there continuity?
|
Yes |
Repair or replace harness for open circuit, then go to Step 14. |
| No |
Go to Step 14. |
| 10 |
INSPECT BRAKE SWITCH CONNECTOR FOR POOR CONNECTION
- Turn ignition switch to OFF.
- Disconnect brake switch connector.
- Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
- Is there malfunction?
|
Yes |
Repair or replace the terminal, then go to Step 14. |
| No |
Go to the next step. |
| 11 |
CLASSIFY BRAKE SWITCH OR CIRCUIT
- Connect WDS or equivalent to DLC-2.
- Access BOO PID.
- Verify that BOO PID changes from ON to OFF when brake switch connector disconnected.
- Does BOO PID change from ON to OFF?
|
Yes |
Go to the next step. |
| No |
Go to Step 13. |
| 12 |
INSPECT BRAKE SWITCH
|
Yes |
Go to Step 14. |
| No |
Replace brake switch, then go to Step 14. |
| 13 |
INSPECT BRAKE SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
- Measure voltage between brake switch connector terminal D (harness-side) and body ground.
- Is voltage B+
?
|
Yes |
Repair or replace harness for short to power supply, then go to Step 14. |
| No |
Go to the next step. |
| 14 |
VERIFY TROUBLESHOOTING OF DTC P0703 COMPLETED
- Make sure to reconnect all disconnected connectors.
- Clear the DTC from the memory using the WDS or equivalent.
- Drive vehicle 30 km/h {18.6 mph} or more.
- Depress and release brake pedal more than 8 times
while driving vehicle.
- Is PENDING CODE for this DTC present?
|
Yes |
Replace PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION
.) |
| No |
Go to the next step. |
| 15 |
VERIFY AFTER REPAIR PROCEDURE
|
Yes |
Go to the applicable DTC inspection. (See
DTC TABLE .) |
| No |
Troubleshooting completed. |