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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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VERIFY RELATED PENDING CODE AND/OR DTC
• Switch the ignition to off, then to ON (engine off).
• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
• Are any other PENDING CODEs and/or DTCs present?
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Yes
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Go to the applicable PENDING CODE or DTC inspection.
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No
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Go to the next step.
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3
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INSPECT CURRENT SENSOR NO.2 CONNECTOR CONDITION
• Switch the ignition to off.
• Disconnect the current sensor No.2 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 terminal and/or connector, then go to Step 10.
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No
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Go to the next step.
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4
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INSPECT CURRENT SENSOR NO.2 CIRCUIT FOR SHORT TO GROUND
• Current sensor No.2 connector is disconnected.
• Inspect for continuity between the following terminals (wiring harness-side) and body ground:
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― Current sensor No.2 terminal A
― Current sensor No.2 terminal C
• Is there continuity?
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Yes
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If the short to ground circuit could be detected:
• Repair or replace the wiring harness for a possible short to ground.
If the short to ground circuit could not be detected:
• Replace the PCM (short to ground in PCM internal circuit).
Go to Step 10.
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No
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Go to the next step.
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5
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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 terminal and/or connector, then go to Step 10.
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No
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Go to the next step.
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6
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INSPECT CURRENT SENSOR NO.2 SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
• Current sensor No.2 and PCM connectors are disconnected.
• Switch the ignition to ON (engine off).
• Measure the voltage at the current sensor No.2 terminal C (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 Step 10.
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No
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Go to the next step.
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7
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INSPECT CURRENT SENSOR NO.2 CIRCUIT FOR SHORT TO EACH OTHER
• Current sensor No.2 and PCM connectors are disconnected.
• Switch the ignition to off.
• Inspect for continuity between current sensor No.2 terminals A, C and B (wiring harness-side).
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to each other, then go to Step 10.
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No
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Go to the next step.
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8
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INSPECT CURRENT SENSOR NO.2 CIRCUIT FOR OPEN CIRCUIT
• Current sensor No.2 and PCM connectors are disconnected.
• Inspect for continuity between the following terminals (wiring harness-side):
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― Current sensor No.2 terminal A—PCM terminal 1N
― Current sensor No.2 terminal C—PCM terminal 2AP
― Current sensor No.2 terminal B—PCM terminal 1P
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 10.
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9
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INSPECT CURRENT SENSOR NO.2
• Inspect the current sensor No.2.
• Is there any malfunction?
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Yes
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Replace the current sensor No.2, then go to the next step.
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No
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Go to the next step.
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10
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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.
• Perform the KOEO or KOER self test.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM.
Go to the next step.
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No
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Go to the next step.
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11
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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.
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No
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DTC troubleshooting completed.
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