Diagnostic procedure

DTC U0101 - DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA on repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Check for related Service Bulletins and/or on line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnostic according to the available repair information. If the vehicle is not repaired, then go to the next step.
2		No	Go to the next step.
3	VERIFY RELATED PENDING CODE OR STORED DTCS Turn key to OFF then ON (Engine off). Verify related pending code or stored DTCs. Is DTC U0073 for TCM present?	Yes	Go to appropriate DTC inspection. (See DTC U0073 )
3		No	Go to the next step.
4	INSPECT POOR CONNECTION OF TCM CONNECTOR Turn the ignition switch off. Disconnect TCM connector. Check for poor connection (damaged, pulled-out pins, corrosion, etc.). Is there any malfunction?	Yes	Repair terminal, then go to Step 9.
4		No	Go to the next step.
5	CHECK CAN COMMUNICATION LINE FOR SHORT TO GROUND Check continuity between following terminals: TCM connector terminal 2J and body ground TCM connector terminal 2M and body ground Is there continuity?	Yes	Repair or replace wiring harness, then go to Step 9.
5		No	Go to the next step.
6	CHECK CAN COMMUNICATION LINE FOR SHORT TO POWER Measure voltage between following terminals: TCM connector terminal 2J and body ground TCM connector terminal 2M and body ground Is voltage B+ ?	Yes	Repair or replace wiring harness, then go to Step 9.
6		No	Go to the next step.
7	INSPECT POOR CONNECTION OF PCM CONNECTOR Turn the ignition switch off. Disconnect PCM connector. Check for poor connection (damaged, pulled-out pins, corrosion, etc.). Is there any malfunction?	Yes	Repair terminal, then go to Step 9.
7		No	Go to the next step.
8	CHECK CAN COMMUNICATION LINE FOR OPEN Disconnect PCM connector. Check continuity between following terminals: TCM connector terminal 2J and PCM connector terminal 66 TCM connector terminal 2M and PCM connector terminal 92 Is there continuity?	Yes	Repair or replace wiring harness, then go to Step 9.
8		No	Go to the next step.
9	VERIFY TROUBLESHOOTING OF DTC U0101 COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the WDS or equivalent. Start engine and warm it up completely. Is same PENDING code for this DTC present?	Yes	Replace PCM, then go to the next step.
9		No	Go to the next step.
10	VERIFY AFTER REPAIR PROCEDURE Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .)
10		No	Troubleshooting completed.