Diagnostic procedure
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STEP
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INSPECTION
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ACTION
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1
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related Service Bulletins and/or on-line 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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2
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INSPECT TCM CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch to the LOCK position.
• Disconnect the TCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Are the terminals 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 terminals, then go to Step 9.
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3
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INSPECT TCM CIRCUIT FOR SHORT TO GROUND
• Verify that TCM connector is disconnected.
• Inspect for continuity between TCM wiring harness connector terminal 2P and ground.
• 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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Go to Step 5.
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4
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INSPECT TCM INTERNAL CIRCUIT FOR OPEN CIRCUIT
• Verify that TCM connector is disconnected.
• Inspect for continuity between TCM terminal 2P and TCM body.
• Is there continuity?
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Yes
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Go to Step 9.
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No
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Replace the TCM, then go to Step 9.
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5
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INSPECT TERMINAL COMPONENT NO.1 (12-PIN) CONNECTOR FOR POOR CONNECTION
• Disconnect the terminal component No.1 (12-pin) connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Are the terminals 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 terminals, then go to Step 9.
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6
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INSPECT TERMINAL COMPONENT NO.1 (12-PIN) CIRCUIT FOR SHORT TO GROUND
• Verify that terminal component No.1 (12-pin) connector is disconnected.
• Inspect for continuity between terminal component No.1 (12-pin) connector terminal J (transaxle case side) and ground.
• Is there continuity?
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Yes
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Repair or replace the TCM wiring harness, then go to Step 9.
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No
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Go to the next step.
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7
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INSPECT COUPLER COMPONENT (10-PIN) CONNECTOR FOR POOR CONNECTION
• Disconnect the coupler component (10-pin) connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Are the terminals 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 terminals, then go to Step 9.
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8
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INSPECT COUPLER COMPONENT (10-PIN) CIRCUIT FOR SHORT TO GROUND
• Verify that coupler component (10-pin) connector is disconnected.
• Inspect for continuity between coupler component (10-pin) connector terminal A (part side) and ground.
• Is there continuity?
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Yes
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Repair or replace terminal component, then go to the next step.
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No
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Repair or replace the coupler component, then go to the next step.
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9
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VERIFY TROUBLESHOOTING OF DTC P0763 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the TCM memory using the WDS or equivalent.
• Drive the vehicle in the D range and make sure that gears shift smoothly from 1GR to 5GR.
• Is the same DTC present?
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Yes
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Replace the TCM, 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 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 [JA5A-EL].)
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No
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DTC troubleshooting completed.
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