Power Seat Adjuster Does Not Move Vertically. Cadillac Catera 1998

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1998 🢒 Catera 🢒 Body and Accessories 🢒 Seats 🢒 Power Seat Adjuster Does Not Move Vertically

Power Seat Adjuster Does Not Move Vertically Driver Seat UP/DOWN Inop

Step	Action	Value(s)	Yes	No
1	Was the Power Seats System Check performed?	--	Go to Step 2	Go to Power Seats System Check .
2	Disconnect the front height seat adjuster actuator motor. Disconnect the rear height seat adjuster actuator motor. Use the DMM to measure the voltage between terminal 1 and terminal 2 of the front and the rear height seat adjuster actuator motors while pressing the UP and DOWN switch. Terminal 1 is B+ and terminal 2 is grounded if the DOWN switch is pressed. Terminal 2 is B+ and terminal is grounded if the UP switch is pressed. Is the measured voltage for both measurements within the specified value?	B+	Go to Step 4	Go to Step 3
3	Replace the driver seat adjuster switch. Refer to Power Seat Switch Replacement in Seats. Is the replacement complete?	--	Go to Step 5	--
4	Replace the front and rear height seat adjuster actuator motors. Refer to Seat Adjuster Front Vertical Actuator and Rear Vertical Actuator Replacement in Seats. Is the replacement complete?	--	Go to Step 5	--
5	Connect all connectors and components that were disconnected. Verify that the driver seat UP/DOWN operates properly. Does the driver seat UP/DOWN operate properly?	--	System OK	Go to Step 1

Power Seat Adjuster Does Not Move Vertically Passenger Seat UP/DOWN Inop

Step	Action	Value(s)	Yes	No
1	Was the Power Seats System Check performed?	--	Go to Step 2	Go to Power Seats System Check .
2	Disconnect the front height seat adjuster actuator motor. Disconnect the rear height seat adjuster actuator motor. Use the DMM to measure the voltage between terminal 1 and terminal 2 of the front and the rear height seat adjuster actuator motors while pressing the UP and DOWN switch. Terminal 1 is B+ and terminal 2 is grounded if the DOWN switch is pressed. Terminal 2 is B+ and terminal is grounded if the UP switch is pressed. Is the measured voltage for both measurements within the specified value?	B+	Go to Step 4	Go to Step 3
3	Replace the passenger seat adjuster switch. Refer to Power Seat Switch Replacement in Seats. Is the replacement complete?	--	Go to Step 5	--
4	Replace the front and rear height seat adjuster actuator motors. Refer to Seat Adjuster Front Vertical Actuator and Rear Vertical Actuator Replacement in Seats. Is the replacement complete?	--	Go to Step 5	--
5	Connect all connectors and components that were disconnected. Verify that the passenger seat UP/DOWN operates properly. Does the passenger seat UP/DOWN operate properly?	--	System OK	Go to Step 1