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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 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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3
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INSPECT THE STOP FUSE
• Turn the engine switch off.
• Inspect the STOP fuse.
• Is there any normal?
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Yes
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Go to the next step.
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No
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Replace the STOP fuse, then go to Step 9.
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4
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INSPECT PCM FOR POOR CONNECTION
• Turn the engine switch to the LOCK position.
• Inspect the PCM connection.
• Disconnect the PCM.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is the connection normal?
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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 connector and/or terminals, then go to Step 9.
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5
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INSPECT TCM CONNECTOR FOR POOR CONNECTION
• Disconnect the TCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is the connection normal?
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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 connector and/or terminals, then go to Step 9.
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6
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INSPECT CAN CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between the TCM terminal (wiring harness-side) and the PCM terminal (wiring harness-side).
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― TCM terminal CB and PCM terminal 195
― TCM terminal CF and PCM terminal 171
• Is there continuity between terminals?
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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, then go to Step 9.
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7
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INSPECT CAN CIRCUIT FOR SHORT TO GROUND
• Inspect for continuity between PCM terminal (wiring harness-side) and body ground.
-
― PCM terminal 195 and body ground
― PCM terminal 171 and body ground
• Is there continuity?
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Yes
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Repair or replace the wiring harness, then go to the Step 9.
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No
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Go to the next step.
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8
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INSPECT CAN CIRCUIT FOR SHORT TO POWER SUPPLY
• Turn the engine switch to the ON position (engine off).
• Inspect the voltage at PCM terminal 195 and 171 (wiring harness-side).
• Is the voltage 0 V?
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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, then go to the next step.
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9
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INSPECT WHRTHER MALFUNCTION IS IN PCM OR TCM
• Retrieve TCM DTC using the IDS/PDS.
• Is the communication error message displayed?
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Yes
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Inspect TCM power supply and ground circuit.
Service if necessary.
If the TCM power supply and ground circuit are normal replace the TCM.
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No
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Go to the next step.
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10
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VERIFY TROUBLESHOOTING OF DTC U0101 COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC from memory using the IDS/PDS.
• Perform the “After Repair Procedure”.
• Are any DTCs 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 DTCS
• Are DTCs except for U0101 output?
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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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