Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review GENERAL TROUBLESHOOTING INFORMATION .
Scheme 65
Scheme 66
Scheme 67
- Turn the ignition switch to ON (II).
- Check the MAP SENSOR in the DATA LIST with the HDS. Is about 3 kPa (1.0 in.Hg, 26 mmHg), or 0.23 V or less indicated? YES - Go to step 3 . NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM.
- Turn the ignition switch to LOCK (0).
- Disconnect the MAP sensor 3P connector.
- Turn the ignition switch to ON (II).
- Check the MAP SENSOR in the DATA LIST with the HDS. Is about 3 kPa (1.0 in.Hg, 26 mmHg), or 0.23 V or less indicated? YES - Go to step 12 . NO - Go to step 7 .
- Measure the voltage between MAP sensor 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES - Go to step 16 . NO - Go to step 8 .
- Turn the ignition switch to LOCK (0).
- Jump the SCS line with the HDS.
- Disconnect PCM connector B (49P).
- Check for continuity between PCM connector terminal B36 and MAP sensor 3P connector terminal No. 1. Is there continuity? YES - Go to step 23 . NO - Repair open in the wire between the PCM (B36) and the MAP sensor, then go to step 18 .
- Turn the ignition switch to LOCK (0).
- Jump the SCS line with the HDS.
- Disconnect PCM connector B (49P).
- Check for continuity between MAP sensor 3P connector terminal No. 2 and body ground. Is there continuity? YES - Repair short in the wire between the PCM (B35) and the MAP sensor, then go to step 18 . NO - Go to step 23 .
- Turn the ignition switch to LOCK (0).
- Replace the MAP sensor (see «MAP SENSOR REPLACEMENT»(ref-333558-S39288478812009072100000) ).
- Reconnect all connectors.
- Turn the ignition switch to ON (II).
- Reset the PCM with the HDS.
- Do «PCM IDLE LEARN PROCEDURE»(ref-333561-S36442749152009072100000) .
- Check for Pending or Confirmed DTCs with the HDS. Is DTC P0107 indicated? YES - Check for poor connections or loose terminals at the MAP sensor and the PCM, then go to step 1 . NO - Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.
- Reconnect all connectors.
- Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-333558-S24141467512009072100000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-333557-S35070474232009072100000) ).
- Check for Pending or Confirmed DTCs with the HDS. Is DTC P0107 indicated? YES - Check for poor connections or loose terminals at the MAP sensor and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-333557-S35070474232009072100000) ), then recheck. If the PCM was substituted, go to step 1 . NO - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-333558-S09775742392009072100000) ). If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.