Jeep Grand Cherokee WK. Manual — part 480
OPERATION
The driver side window/lock switch combines a power lock switch, a driver power window switch with an Auto-down
feature, master switches for each passenger door power window, a power window lockout switch, a power mirror
selector switch, and four power mirror adjustment switches in a single assembly. The switches in the window/lock
switch can be diagnosed using conventional diagnostic tools and methods.
Power Lock Switch
The power lock switch circuitry is connected in series between ground and the driver door switch mux input of the
instrument cluster (without memory). If equipped with the memory system, the circuitry is connected to the memory
mirror module. Each power lock switch position (Lock, Unlock, and Neutral) provides a different resistance value to
the instrument cluster or memory mirror input, which allows the instrument cluster or memory module to sense the
switch position. Based upon the power lock switch input, the instrument cluster or memory module controls the
battery and ground feed outputs to the individual power lock motors to lock or unlock the door latches. The Light-
Emitting Diode (LED) in the power lock switch is connected to battery current through the power window circuit
breaker in the Integrated Power Module (IPM) on a fused ignition switch output (run-acc) circuit so that the switch
will be illuminated whenever the ignition switch is in the On or Accessory positions.
Power Window Switches
The power window switch circuitry is connected to battery current through a circuit breaker in the Integrated Power
Module (IPM) on a fused ignition switch output (run-acc) circuit so that the power windows will operate whenever
the ignition switch is in the On or Accessory positions. Each two-way, momentary master passenger power window
switch in the window/lock switch provides battery current and ground to the individual power window switches on
each passenger door so that the power window switch controls the battery current and ground feeds to its respec-
tive power window motor. The switch for the driver side front door power window includes an auto-down feature.
When this switch is depressed to a second momentary detent position and released, the driver door power window
is automatically operated through an internal circuit and relay to its fully lowered position. The Auto-down event is
cancelled if the switch paddle is depressed a second time in either the Up or Down direction. When the two position
window lockout switch in the window/lock switch is depressed and latched in the lockout position, the battery current
feed to each of the individual passenger power window switches is interrupted so that the passenger door power
windows can only be operated from the switches in the window/lock switch. The window lockout switch also controls
the battery current feed for the LED in each passenger power window switch so that the switch will not be illumi-
nated when it is locked out.
DIAGNOSIS AND TESTING
WINDOW/DOOR LOCK SWITCH
The Light-Emitting Diode (LED) illumination lamps for all of the window/lock switch power window and power lock
switches receive battery current through the circuit breaker in the Integrated Power Module (IPM). If only one LED
in the door module is inoperative, replace the faulty door module. If the driver side front door power window oper-
ates in a normal manner, but the Auto-Down feature is inoperative, replace the faulty window/lock switch. Refer to
the appropriate wiring information.
1. Disconnect and isolate the battery negative cable. Remove the window/lock switch from the door trim panel.
Disconnect the door wire harness connectors from the switch.
2. Test the switch continuity. See the Switch Tests chart to determine if the continuity is correct for the suspect
switches in each switch position. If not OK, replace the faulty window/lock switch as required.
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POWER LOCKS - SERVICE INFORMATION
WK
WINDOW/DOOR LOCK SWITCH TEST
POWER LOCK SWITCH
SWITCH POSITION
RESISTANCE BETWEEN C-1 PINS 8 & 3
LOCK
330 OHMS ± 5%
UNLOCK
100 OHMS ± 5%
POWER WINDOW SWITCHES - DRIVER DOOR
SWITCH POSITION
CONTINUITY BETWEEN PINS OF C-1
NEUTRAL
PINS 4 (C1) & 6 (C2)
PINS 4 (C1) & 5 (C2)
PINS 4 (C1) & 1 (C2)
PINS 4 (C1) & 4 (C2)
PINS 4 (C1) & 2 (C2)
LEFT FRONT UP
PINS 2 & 7 (C1)
LEFT FRONT DOWN
PINS 2 & 6 (C1)
RIGHT FRONT UP
PINS 2 (C1) & 6 (C2)
RIGHT FRONT DOWN
PINS 2 (C1) & 5 (C2)
LEFT REAR UP
PINS 2 (C1) & 1 (C2)
LEFT REAR DOWN
PINS 2 (C1) & 4 (C2)
RIGHT REAR UP
PINS 2 (C1) & 2 (C2)
RIGHT REAR DOWN
PINS 2 (C1) & 3 (C2)
POWER WINDOW SWITCH - PASSENGER DOOR
UP
PINS 4 & 3
DOWN
PINS 4 & 2
NEUTRAL
PINS 1 & 2 AND 3 & 8
POWER WINDOW LOCKOUT SWITCH
SWITCH POSITION
CONTINUITY BETWEEN
OFF (SWITCH BUTTON RAISED - NOT DEPRESSED)
PINS 2 AND 5 OF C-1
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Using a trim stick, start at the rear of the switch
and pry up to remove from door trim panel.
3. Disconnect
electrical
harness
connectors
from
switch.
WK
POWER LOCKS - SERVICE INFORMATION
8N - 81
INSTALLATION
1. Connect electrical harness connectors to switch.
2. Insert front end of switch into door trim panel open-
ing. Press into place.
3. Connect battery negative cable.
8N - 82
POWER LOCKS - SERVICE INFORMATION
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
TABLE OF CONTENTS
page
page
POWER MIRRORS - ELECTRICAL
DIAGNOSTICS
DIAGNOSIS AND TESTING
B1DA7–SWITCH POWER SUPPLY CIRCUIT
LOW — PASSENGER MEMORY MIRROR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
SENSOR POWER SUPPLY CIRCUIT HIGH
– MEMORY MIRROR MODULE . . . . . . . . . . . 85
POSITION SENSOR INPUT CIRCUIT LOW
– MEMORY MIRROR MODULE . . . . . . . . . . . 91
POSITION SENSOR INPUT CIRCUIT HIGH
– MEMORY MIRROR MODULE . . . . . . . . . . . 98
B1D0F, B1D18–MIRROR HORIZONTAL
POSITION SENSOR INPUT CIRCUIT LOW
– MEMORY MIRROR MODULE . . . . . . . . . . 104
B1D04–MIRROR ADJUST SWITCH INPUT
CIRCUIT/PERFORMANCE – DRIVER
MEMORY MIRROR MODULE . . . . . . . . . . . . 111
B1D07–MIRROR ADJUST SWITCH INPUT
CIRCUIT STUCK – DRIVER MEMORY
MIRROR MODULE . . . . . . . . . . . . . . . . . . . . 122
SENSOR POWER SUPPLY CIRCUIT LOW
– MEMORY MIRROR MODULE . . . . . . . . . . 125
B1D1B, B1D27–MIRROR MOTOR COMMON
CONTROL CIRCUIT LOW – MEMORY
MIRROR MODULE . . . . . . . . . . . . . . . . . . . . 132
B1D1C, B1D28–MIRROR MOTOR COMMON
CONTROL CIRCUIT HIGH – MEMORY
MIRROR MODULE . . . . . . . . . . . . . . . . . . . . 139
B1D1F, B1D2B–MIRROR VERTICAL MOTOR
CONTROL CIRCUIT LOW – MEMORY
MIRROR MODULE . . . . . . . . . . . . . . . . . . . . 143
B1D10, B1D19–MIRROR HORIZONTAL
POSITION SENSOR INPUT CIRCUIT HIGH
– MEMORY MIRROR MODULE . . . . . . . . . . 150
B1D20, B1D2C–MIRROR VERTICAL MOTOR
CONTROL CIRCUIT HIGH – MEMORY
MIRROR MODULE . . . . . . . . . . . . . . . . . . . . 156
B1D23, B1D2F–MIRROR HORIZONTAL
MOTOR CONTROL CIRCUIT LOW –
MEMORY MIRROR MODULE . . . . . . . . . . . . 160
B1D24, B1D30–MIRROR HORIZONTAL
MOTOR CONTROL CIRCUIT HIGH –
MEMORY MIRROR MODULE . . . . . . . . . . . . 167
B1D33, B1D37–MIRROR HEATER CONTROL
CIRCUIT LOW – MEMORY MIRROR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
B1D35, B1D39–MIRROR HEATER CONTROL
CIRCUIT OPEN – MEMORY MIRROR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
B1D4C–MEMORY SWITCH INPUT CIRCUIT
HIGH – DRIVER MEMORY MIRROR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
B1D4D–MEMORY SWITCH INPUT CIRCUIT
STUCK – DRIVER MEMORY MIRROR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
B1D53–SWITCH POWER SUPPLY CIRCUIT
LOW — DRIVER MEMORY MIRROR
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
MEMORY MIRROR MODULE . . . . . . . . . . . . 193
MEMORY MIRROR MODULE . . . . . . . . . . . . 196
DRIVER MEMORY MIRROR MODULE . . . . . 198
PASSENGER MEMORY MIRROR MODULE . 199
FRONT CONTROL MODULE . . . . . . . . . . . . 200
OCCUPANT RESTRAINT CONTROLLER
(ORC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
OCCUPANT CLASSIFICATION MODULE . . . 200
CLUSTER/CCN . . . . . . . . . . . . . . . . . . . . . . 200
EOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
PARKING ASSIST CONTROL MODULE . . . . 200
U0164–LOST COMMUNICATION WITH HVAC
CONTROL MODULE . . . . . . . . . . . . . . . . . . 201
INTRUSION TRANSCEIVER CONTROL
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
VEHICLE SECURITY CONTROL MODULE
(SKREEM/WCM) . . . . . . . . . . . . . . . . . . . . . 201
SUNROOF CONTROL MODULE . . . . . . . . . . 201
RADIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
AUDIO AMPLIFIER . . . . . . . . . . . . . . . . . . . . 201
SDARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 83
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