| P0616 | Starter relay circuit low input |
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DETECTION CONDITION
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• The PCM monitors the starter relay signal. If the voltage at PCM terminal 108 remains low, the PCM determines that there is a starter relay circuit problem.
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POSSIBLE CAUSE
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• Starter relay malfunction
• Connector or terminal malfunction
• Open circuit in the wiring harness between fuse and starter relay terminal B
• Open circuit in the wiring harness between starter relay terminal D and PCM terminal 108
• Short to ground circuit between starter relay terminal D and PCM terminal 108
• PCM malfunction
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Diagnostic procedure
| STEP | INSPECTION | ACTION | |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has the FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to the available repair 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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3
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VERIFY CURRENT SIGNAL STATUS: IS CONCERN INTERMITTENT OR CONSTANT?
• Connect the M-MDS to the DLC-2.
• Clear the DTC from the PCM memory using the M-MDS.
• Run the vehicle under the FREEZE FRAME DATA stored condition.
• Is the same DTC present?
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Yes
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Go to the next step.
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No
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Intermittent concern exists.
Perform the “INTERMITTENT CONCERNS TROUBLESHOOTING”.
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4
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INSPECT STARTER RELAY CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Inspect for poor connection (such as damaged/pulled-out terminals, corrosion).
• Is there any malfunction?
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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 terminal, then go to Step 10.
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5
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INSPECT STARTER RELAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Turn the engine switch off.
• Remove the starter relay.
• Verify that the voltage at starter relay terminal B, while turn the engine switch to the START position.
• Is the voltage B+?
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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 an open circuit, then go to Step 10.
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6
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INSPECT STARTER RELAY
• Inspect the starter relay.
• Is there any malfunction?
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Yes
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Replace the starter relay, 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 STARTER RELAY CONTROL CIRCUIT FOR SHORT TO GROUND
• Turn the engine switch off.
• Disconnect the starter relay and the PCM connector.
• Inspect for continuity between PCM terminal 108 (wiring harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to ground, 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 STARTER RELAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Turn the engine switch off.
• Connect the starter relay.
• Inspect for continuity between PCM terminal 108 (wiring harness-side) and starter relay terminal D.
• 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 an open circuit, then go to Step 10.
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9
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Inspect for poor connection (such as damaged/pulled-out terminals, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 10.
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No
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Go to the next step.
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10
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VERIFY THAT DTC P0616 TROUBLESHOOTING IS COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Run the vehicle under the FREEZE FRAME DATA stored condition.
• 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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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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