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 DTC P1196 [MZR-CD (RF Turbo)]

DTC P1196 [MZR-CD (RF Turbo)]


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DTC P1196

Key off voltage high

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

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.
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.
• Is the same DTC present?
Yes
Replace the PCM, go to the next step.
No
Go to the next step.
8
VERIFY AFTER REPAIR PROCEDURE
• Perform the Repair Verification Drive Mode.
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.