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DTC P1196 [MZR-CD (RF Turbo)]

id0102f1956800

DTC P1196 | Key off voltage high
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DETECTION CONDITION | • The PCM monitors the voltage from the PCM control relay. If the voltage is more than 10 V when the engine switch is off, the PCM determines that there is malfunction PCM control relay circuit.
POSSIBLE CAUSE | • PCM control relay malfunction • Connector or terminal malfunction • Short to power supply between PCM control relay terminal C and PCM terminal 119/120 • PCM malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has FREEZE FRAME DATA been recorded? | Yes | Go to the next step.
No | Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 | VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related service 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 | IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA • Is DTC P1196 on FREEZE FRAME DATA? | Yes | Go to the next step.
No | Go to troubleshooting procedures for DTC in FREEZE FRAME DATA. (See DTC TABLE [MZR-CD (RF Turbo)].)
4 | INSPECT PCM CONTROL RELAY CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the PCM control relay connector. • Inspect for poor connection (such as damaged/pulled-out pins, and corrosion). • Is there any malfunction? | Yes | Repair or replace terminal, then go to Step 7.
No | Go to the next step.
5 | INSPECT PCM CONTROL RELAY • Inspect the PCM control relay. • Is it normal? | Yes | Go to the next step.
No | Install the sensor securely, then go to the Step 7.
6 | INSPECT PCM CONTROL RELAY CIRCUIT FOR SHORT TO POWER SUPPLY • Turn the engine switch to the ON position (Engine off). • Measure voltage between PCM control relay terminal C (wiring harness-side) and body ground. • Is the voltage B+? | Yes | Repair or replace for short to power supply. Then, go to the next step.
No | Go to the next step.
7 | VERIFY TROUBLESHOOTING OF DTC P1196 COMPLETED • Make sure to reconnect all disconnected connectors. • Turn the engine switch to the ON position (Engine off). • Clear the DTC from the PCM memory using the WDS or equivalent. • Start the engine. • Perform the OBD DRIVE MODE. (See OBD DRIVE MODE [MZR-CD (RF Turbo)].) • Is the same DTC present? | Yes | Replace the PCM, go to the next step. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
No | Go to the next step.
8 | VERIFY AFTER REPAIR PROCEDURE • Perform the Repair Verification Drive Mode. (See OBD DRIVE MODE [MZR-CD (RF Turbo)].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [MZR-CD (RF Turbo)].)
No | Troubleshooting completed.