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TCM Power and Ground Circuit Check: Troubleshooting

TCM Power And Ground Circuit Troubleshooting Table

Step Action YES NO
1 Check TCM power circuit. 
  1. Disconnect TCM connector with ignition switch OFF.
  2. Check for proper connection to TCM at G08-20 terminal.
  3. If OK, turn ignition switch ON and check voltage at terminal G08-20 of disconnected TCM connector.

Is it 10-14 V?		 Go to Step 2. "BLK/WHT" circuit open.
2 Check TCM ground circuit. 
  1. Turn ignition switch OFF.
  2. With TCM connectors disconnected, check for proper connection to TCM at G08-15 terminal.
  3. If OK, check resistance between G08-15 / G08-19 terminal of disconnected TCM connector and body ground.

Is continuity indicated?		 TCM power and ground circuits are in good condition. "BLK" circuit open.
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