DTC P1196:00 [MZR-CD 2.2]
id0102f3148800
DTC P1196:00 |
Key off voltage high |
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DETECTION CONDITION
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• The PCM monitors the voltage from the main relay. If the voltage is more than 10 V when the ignition switch is off, the PCM determines that there is a malfunction in the main relay circuit.
Diagnostic support note
• The MIL does not illuminate.
• FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
• The DTC is not stored in the PCM memory.
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POSSIBLE CAUSE
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• Main relay malfunction
• PCM connector or terminals malfunction
• Short to power supply between the following terminals:
• PCM malfunction
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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2
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INSPECT MAIN RELAY
• Switch the ignition to off.
• Remove the main relay.
• Inspect the main relay.
(See RELAY INSPECTION.)
• Is there any malfunction?
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Yes
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Replace the main relay, then go to Step 5.
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No
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Go to the next step.
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3
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INSPECT PCM CONNECTOR CONDITION
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the connector and/or terminals, then go to Step 5.
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No
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Go to the next step.
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4
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INSPECT MAIN RELAY CIRCUIT FOR SHORT TO POWER SUPPLY
• Main relay is removed.
• PCM connector is disconnected.
• Measure the voltage at the following terminals (wiring harness-side):
• Is there any voltage?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then go to the next step.
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No
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Go to the next step.
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5
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Start the engine.
• Perform the “OBD DRIVE MODE”.
(See OBD DRIVE MODE [MZR-CD 2.2].)
• Is the same DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
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Go to the next step.
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6
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VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [MZR-CD 2.2].)
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No
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DTC troubleshooting completed.
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