Jeep Grand Cherokee WK. Manual — part 524
B1D83–SEAT REAR VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE (CONTINUED)
3.
CHECK THE (G402) DRIVER SEAT REAR VERTICAL POSITION SENSE VOLTAGE
Disconnect the Rear Driver Vertical Seat Adjuster Motor.
NOTE: Check connectors – Clean and repair as necessary.
Move the Seat Switch in the rear vertical position during the next step.
Using a 12-volt test light connect one lead to the (G402) Driver Seat
Rear Vertical Position Sense circuit and the other lead to Driver Seat
Rear Vertical Sensor Ground at the Driver Rear Vertical Seat Adjuster
Motor connector.
Does the test light illuminate for approximately 2 seconds then
turn off with the seat switch engaged?
Yes
>> Go To 4
No
>> Go To 5
4.
CHECK THE DRIVER SEAT REAR VERTICAL UP/DOWN DRIVER VOLTAGE
Move the Seat Switch in the rear vertical position during the next step.
Using a 12-volt test light connect one lead to the (P111) Driver Seat
Rear Vertical Up Driver circuit and the other lead to (P113) Driver Seat
Rear Vertical Down Driver circuit at the Rear Driver Vertical Seat
Adjuster Motor connector.
Does the test light illuminate with the seat switch engaged?
Yes
>> Replace the Rear Driver Vertical Seat Adjuster motor
assembly.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
No
>> Go To 7
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POWER SEATS - ELECTRICAL DIAGNOSTICS
WK
B1D83–SEAT REAR VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE (CONTINUED)
5.
CHECK THE (G402) DRIVER SEAT REAR VERTICAL POSITION SENSE WIRE FOR AN OPEN
Disconnect the Memory Seat Module C3 connector.
NOTE: Check connectors – Clean and repair as necessary.
Measure the resistance of the (G402) Driver Seat Rear Vertical Posi-
tion Sense circuit at the Rear Driver Vertical Seat Adjuster Motor con-
nector to the C3 connector.
Is the resistance above 1.0 ohm?
Yes
>> Repair the (G402) Driver Seat Rear Vertical Position
Sense circuit for an open.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
No
>> Go To 6
WK
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 257
B1D83–SEAT REAR VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE (CONTINUED)
6.
CHECK THE (G492) DRIVER SEAT REAR VERTICAL SENSOR GROUND FOR AN OPEN
Measure the resistance of the (G492) Driver Seat Rear Vertical Sensor
Ground circuit at the Driver Rear Vertical Seat Adjuster Motor connec-
tor to the C3 connector.
Is the resistance above 1.0 ohm?
Yes
>> Repair the (G492) Driver Seat Rear Vertical Senor Ground
circuit for an open.
Perform MEMORY SYSTEM VERIFICATION TEST – VER
1
No
>> Replace the Memory Seat Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
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POWER SEATS - ELECTRICAL DIAGNOSTICS
WK
B1D83–SEAT REAR VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE (CONTINUED)
7.
CHECK THE (P111) DRIVER SEAT REAR VERTICAL UP DRIVER WIRE FOR AN OPEN
Disconnect the Memory Seat Module C3 connector.
NOTE: Check connectors – Clean and repair as necessary.
Measure the resistance of the (P111) Driver Seat Rear Vertical Up
Driver circuit at the Driver Rear Vertical Seat Adjuster Motor connector
to the C3 connector.
Is the resistance above 1.0 ohm?
Yes
>> Repair the (P111) Driver Seat Rear Vertical Up Driver cir-
cuit for an open.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
No
>> Go To 8
8.
CHECK THE (P113) DRIVER SEAT REAR VERTICAL DOWN DRIVER AN OPEN
Measure the resistance of the (P113) Driver Seat Rear Vertical Down
Driver circuit at the Driver Rear Vertical Seat Adjuster Motor connector
to the C3 connector.
Is the resistance above 1.0 ohm?
Yes
>> Repair the (P113) Driver Seat Rear Vertical Down Driver
circuit for an open.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
No
>> Replace the Memory Seat Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST –
VER 1
WK
POWER SEATS - ELECTRICAL DIAGNOSTICS
8N - 259
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