DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step	Action	YES	NO
1	Was "CVT System Check" performed?	Go to Step 2.	Go to CVT SYSTEM CHECK .
2	DTC check of ECM Check DTC of ECM, see DTC CHECK . Is there any DTC(s)?	Go to troubleshooting for applicable DTC.	Go to Step 3.
3	Primary pulley speed sensor and its circuit check Check primary pulley speed sensor and its circuit according to Step 2 through 4 of DTC P0717 . Are they in good condition?	Go to Step 4.	Repair or replace defective parts.
4	Lock-up/select switching solenoid valve and its circuits check Check lock-up/select switching solenoid valve and its circuits according to Step 2 through 3 of DTC P1810 . Are they in good condition?	Go to Step 5.	Repair or replace defective parts.
5	TCC solenoid valve drive circuit check Confirm that ignition mode of keyless push start system is "OFF". Disconnect "C142", "E19" and "E20" connectors. Check for proper terminal connection to "C142", "E19" and "E20" connectors. If connections are OK, check the following points. Resistance of "A3" circuit: less than 1 Ω Resistance of "A3" circuit between "C142" connector and ground: infinity Resistance between "A3" circuit terminal and each terminal at "C142" connector: infinity Voltage of "A3" circuit: 0 - 1 V (with ignition mode of keyless push start system in "ON") Are they in good condition?	Go to Step 6.	Repair or replace defective wire harness.
6	TCC solenoid valve check Check resistance of TCC solenoid valve, see SOLENOID VALVE ON-VEHICLE INSPECTION . Is it in good condition?	Substitute a known-good TCM and recheck DTC, see TRANSMISSION CONTROL MODULE (TCM) REMOVAL AND INSTALLATION .	Replace TCC solenoid valve (valve body assembly). VALVE BODY ASSEMBLY REMOVAL AND INSTALLATION .