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POWER SEATS
DRIVER HORIZONTAL SENSOR OUT OF RANGE HIGH - MHSAPM —
Continued
TEST
3
Disconnect the Driver Horizontal Seat Position Sensor connector.
Measure the voltage between Driver Seat Sensor 5 volt supply circuit and ground.
Turn ignition on.
Is the voltage above 5.5 volts?
Yes → Repair the Driver Seat Sensor 5 Volt Supply circuit for a short to
→ Go To 4
No
4
Turn ignition off.
Disconnect the Driver Horizontal Seat Position Sensor Connector.
Disconnect the MHSAPM C2 Connector.
Turn ignition on.
Measure the voltage between Driver Seat Horizontal Position Signal circuit and
ground.
Is the voltage above 0.2 volts?
Yes → Repair the Driver Seat Horizontal Position Signal circuit for a
→ Go To 5
No
5
Turn ignition off.
Disconnect the Driver Horizontal Seat Position Sensor Connector.
Ensure the Memory/Heated Seat Adjustable Pedal Module is fully connected before
proceeding.
Turn ignition on.
With the DRBIII in MHSAPM Sensors,
Read the Driver Seat Horizontal Sensor voltage.
Is the voltage above 0.2 volts?
Yes → Go To 6
→ Replace the Seat Track Assembly.
No
6
Ensure all seat and sensor connectors are connected and Horizontal motor is
operational.
With the DRBIII in MHSAPM Sensors monitor the Driver Seat Horizontal Sensor
while operating the seat Horizontal motor to both limits.
Did the voltage ever go above 7.0 volts only when the motor was in operation?
Yes → Replace the Seat Track Assembly.
→ Replace the Memory/Heated Seat Adjustable Pedal Module.
No
ACTION
battery.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
short to voltage.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
844
APPLICABILITY
All
All
All
All
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