Test F: Lumbar Inoperative

Disconnect lumbar motor harness connector C1852C. Measure voltage between Yellow/Blue and White/Blue wires at lumbar motor harness connector C1852C. Operate lumbar motor at seat control switch. If battery voltage exists when switch is operated, replace lumbar motor. If battery voltage does not exist, check wiring between seat control switch and lumbar motor harness connectors. If wiring is damaged, repair as necessary. If wiring is okay, replace seat control switch.