TF5 - Check OSS Resistance

- Key Off.

- OSS disconnected.

- Measure resistance of OSS.

- Is resistance between 450 and 650 ohms?

YES -- GO to Transmission Section to verify internal components. If OK, then replace PCM. REMOVE breakout box. RECONNECT OSS. REPEAT Transmission Drive Cycle. REFER to TF1. TF1 - Continuous DTC 0720: Perform Transmission Drive Cycle

NO -- REPLACE OSS. REMOVE breakout box. REPEAT Transmission Drive Cycle. REFER to TF1. TF1 - Continuous DTC 0720: Perform Transmission Drive Cycle