Rear Height Will Not Go Up Or Down (Forward & Back Functions Operate Normally)

1) Turn ignition off. Disconnect inoperative power seat switch. Disconnect inoperative power seat motor connector. Using ohmmeter, check resistance between Light Blue wire harness terminal at seat adjuster connector C3 and Black wire harness terminal at seat switch. If resistance is 5 ohms or less, go to next step. If resistance is not 5 ohms or less, check for open in Light Blue wire. If circuit is okay, replace seat switch.

2) Check resistance between Yellow wire harness terminal at seat adjuster connector C3 and Black wire harness terminal at seat switch. If resistance is 5 ohms or less, replace rear height motor. If resistance is not 5 ohms or less, check for open in Yellow wire. If circuit is okay, replace seat switch.