PINPOINT TEST B : The Power Seat Does Not Move Horizontally, Vertically or Recline - Driver, With Power Recline
- B1 CHECK THE HORIZONTAL MOTOR FOR CORRECT OPERATION
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Ignition OFF.
WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.- Disconnect: Driver Seat Side Air Bag C3051 .
- Operate the driver seat forward and rearward.
Does the seat move horizontally?
Yes GO to B2. No GO to B3. -
- B2 CHECK THE RECLINER MOTOR FOR CORRECT OPERATION
- Recline the driver backrest forward and rearward.
Does the seat backrest recline forward and rearward?
Yes GO to B6. No GO to B13. - B3 CHECK FOR VOLTAGE TO THE DRIVER SEAT HORIZONTAL MOTOR
- Disconnect: Driver Seat Horizontal Motor C362 .
- While pushing the driver seat control switch forward and rearward, measure:
Positive Lead Measurement / Action Negative Lead C362-1 C362-2
NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.Is the voltage greater than 11 volts when the seat control switch is operated and 0 volt in the rest position?
Yes INSTALL a new front seat track motor. Refer to Seat Track Motor - Front . GO to B16. No GO to B4. - B4 CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
- Disconnect: Driver Seat Control Switch C369 .
Is the resistance less than 3 ohms?
Yes GO to B5. No REPAIR the circuit. GO to B16. - B5 CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
Is the resistance less than 3 ohms?
Yes INSTALL a new seat control switch. Refer to Seat Control Switch . GO to B16. No REPAIR the circuit. GO to B16. - B6 DETERMINE THE SEAT HEIGHT ADJUST FAILURE
- Operate the seat front and rear height adjustments.
Does the seat front and rear height adjust up and down?
Yes If only the front height adjust motor operates, GO to B7. If only the rear height adjust motor operates, GO to B10. No INSTALL a new seat control switch. Refer to Seat Control Switch . GO to B16. - B7 CHECK VOLTAGE TO THE REAR HEIGHT MOTOR
- Disconnect: Driver Seat Rear Height Motor C363 .
- While pressing the rear height adjust switch up and down, measure:
Positive Lead Measurement / Action Negative Lead C363-1 C363-5
NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.Is the voltage greater than 11 volts when the seat control switch is operated and 0 volt in the rest position?
Yes INSTALL a new seat track assembly. Refer to Seat Track . GO to B16. No GO to B8. - B8 CHECK THE REAR SEAT HEIGHT MOTOR CIRCUIT FOR AN OPEN
- Disconnect: Driver Seat Control Switch C369 .
Is the resistance less than 3 ohms?
Yes GO to B9. No REPAIR the circuit. GO to B16. - B9 CHECK THE REAR SEAT HEIGHT MOTOR CIRCUIT FOR AN OPEN
Is the resistance less than 3 ohms?
Yes INSTALL a new seat control switch. Refer to Seat Control Switch . GO to B16. No REPAIR the circuit. GO to B16. - B10 CHECK FOR VOLTAGE TO THE DRIVER SEAT FRONT HEIGHT MOTOR
- Disconnect: Driver Seat Front Height Motor C382 .
- While pressing the front height adjust switch up and down, measure:
Positive Lead Measurement / Action Negative Lead C382-1 C382-2
NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.Is the voltage greater than 11 volts when the seat control switch is operated and 0 volt in the rest position?
Yes INSTALL a new seat track assembly. Refer to Seat Track . GO to B16. No GO to B11. - B11 CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN
- Disconnect: Driver Seat Control Switch C369 .
Is the resistance less than 3 ohms?
Yes GO to B12. No REPAIR the circuit. GO to B16. - B12 CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN
Is the resistance less than 3 ohms?
Yes INSTALL a new seat control switch. Refer to Seat Control Switch . GO to B16. No REPAIR the circuit. GO to B16. - B13 CHECK FOR VOLTAGE TO THE DRIVER SEAT RECLINER MOTOR
- Disconnect: Driver Seat Recliner Motor C3187 .
- While pushing the recline switch forward and rearward, measure:
Positive Lead Measurement / Action Negative Lead C3187-1 C3187-3
NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.Is the voltage greater than 11 volts when the seat control switch is operated in both directions and 0 volt in the rest position?
Yes INSTALL a new seat recliner motor. Refer to Seat Recliner Motor . GO to B16. No GO to B14. - B14 CHECK THE RECLINER MOTOR CIRCUIT FOR AN OPEN
- Disconnect: Driver Seat Control Switch C369 .
Is the resistance less than 3 ohms?
Yes GO to B15. No REPAIR the circuit. GO to B16. - B15 CHECK THE RECLINER MOTOR CIRCUIT FOR AN OPEN
Is the resistance less than 3 ohms?
Yes INSTALL a new seat control switch. Refer to Seat Control Switch . GO to B16. No REPAIR the circuit. GO to B16. - B16 CHECK FOR SRS DTCs
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Ignition OFF.
WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.- Connect: Driver Seat Side Air Bag C3051 .
- Connect: All previously disconnected electrical connectors.
- Ignition ON.
- Using a diagnostic scan tool, clear the RCM DTCs.
- Cycle the ignition OFF then ON.
- Using a diagnostic scan tool, perform RCM self-test.
Are any RCM DTCs retrieved during self-test?
Yes REFER to Supplemental Restraint System for pinpoint test direction. No The repair is complete. RETURN the vehicle to the customer. -

