Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO1993960 4D WAGON, AW30-43REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSPOWER SEATS
1993 Volvo 960 4D Wagon, AW30-43
Power Seats
1993 Volvo 960 4D Wagon, AW30-43SECTION Power Seats
- Description & Operation
- Symptom Diagnosis
- Fault Symptom Test References
- Test GA: Power Seat Does Not Function Smoothly Or At All
- Test GB: Seatback Adjustment Functions - One Side Only
- Test GC: Memory Button Does Not Function
- Test GD: One Motor Does Not Function
- Test GE: Seat Moves When Not Operated
- Test GF: All Motors Function - Seat Does Not Move One Direction
- Test GG: Noise From Seat & Seat Mounting
- Test Ha: & HB: Other Electrical Fault Tracing
- Programming
- System Diagnosis
- System Tests
- Test Ea: DTC 1-1-2: Position Sensor/Motor No. 1 - No Signal Or Faulty Signal
- TEST EB: DTC 1-2-1: POSITION SENSOR/MOTOR No. 2 - NO SIGNAL OR FAULTY SIGNAL
- TEST EC: DTC 1-2-2: POSITION SENSOR/MOTOR No. 3 - NO SIGNAL OR FAULTY SIGNAL
- TEST ED: DTC 2-1-1: POSITION SENSOR/MOTOR No. 4 - NO SIGNAL OR FAULTY SIGNAL
- Test Ee: DTC 1-2-3: Motor No. 1 Runs/Corresponding Button Not Activated
- Test EF: DTC 1-3-1: Motor No. 2 Runs/Corresponding Button Not Activated
- Test EG: DTC 1-3-2: Motor No. 3 Runs/Corresponding Button Not Activated
- TEST EH: DTC 1-3-3: MOTOR No. 4 RUNS/CORRESPONDING BUTTON NOT ACTIVATED
- Test EJ: DTC 3-2-3: Fault In Stored Memory Position 1
- Test EK: DTC 3-2-2: Fault In Stored Memory Position 2
- Test El: DTC 3-2-1: Fault In Stored Memory Position 3
- Test Em: DTC 3-3-1: Motor No. 1 Break In Lead
- Test En: DTC 3-3-2: Motor No. 2 Break In Lead
- Test EP: DTC 3-3-3: Motor No. 3 Break In Lead
- Test Eq: DTC 1-1-4: Motor No. 4 Break In Lead
- Test Er: DTC 1-4-3: Motor No. 1 Moves In Wrong Direction
- TEST ES: DTC 1-4-4: MOTOR No. 2 MOVES IN WRONG DIRECTION
- TEST ET: DTC 2-1-4: MOTOR No. 3 MOVES IN WRONG DIRECTION
- TEST EU: DTC 2-2-4: MOTOR No. 4 MOVES IN WRONG DIRECTION
- Test EV: DTC 4-1-4: Incorrect End-Position Calibration
- Procedure Ja:, JB: & JC: Signal Description
- Removal & Installation
- Notes
- Procedure L: Removing Seat From Vehicle
- Procedure N: Removing Under Seat Motors No. 1, 3 & 4
- Procedure Pa: & PB: Removing Drive Gear-To-Seat
- Procedure QA:, QB: & QC: Drive Cable
- Procedure R: Motor No. 2 In Seatback
- Procedure S: Seatback Drive Gear
- Procedure T: Drive Cable (Left Or Right)-To-Seatback Rake Motor
- Procedure U: Control Panel For Power Seat
- Procedure VA: & Vb: Potentiometer
- Procedure X: Control Module For Power Seat
- Procedure Y: Guide Rail & Height Adjuster
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.