Code 67, TCC Solenoid Circuit Check: Notes
The TCC solenoid is a normally open exhaust valve. The PCM will engage the solenoid by grounding circuit with an internal quad-driver.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- This test checks the ability of PCM to control solenoid.
- This test checks for power, from the ignition through the fuse, to the TCC solenoid.