Jeep Grand Cherokee WK. Manual — part 498
B1D10, B1D19–MIRROR HORIZONTAL POSITION SENSOR INPUT CIRCUIT HIGH – MEMORY MIRROR
MODULE (CONTINUED)
2.
TEST FOR A SHORTED OUTSIDE REARVIEW MIRROR
For the Driver Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Driver Outside Rearview Mirror connector.
•
Connect a voltmeter between the (P65) Driver Mirror Horizontal
Position Signal circuit and the (P69) Driver Mirror Sensor Ground
circuit.
•
Turn the ignition on.
•
Move the mirror switch to any switch position while monitoring
the voltmeter.
For the Passenger Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Passenger Outside Rearview Mirror connector.
•
Connect a voltmeter between the (P68) Passenger Mirror Hori-
zontal Position Signal circuit and the (P66) Passenger Mirror
Sensor Ground circuit
•
Turn the ignition on.
•
Move the mirror switch to any switch position while monitoring
the voltmeter.
What is the voltage?
4.8 to 5.2 Volts
Replace the Outside Rearview Mirror in accordance with
the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
Above 5.2 Volts
Go To 3
Below 4.8 Volts
Go To 4
8N - 152
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK
B1D10, B1D19–MIRROR HORIZONTAL POSITION SENSOR INPUT CIRCUIT HIGH – MEMORY MIRROR
MODULE (CONTINUED)
3.
CHECK THE (P65) DRIVER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT OR THE (P68)
PASSENGER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE
For the Driver Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Driver Memory Mirror Module C1 connector.
•
Turn the ignition on.
•
Measure the voltage of the (P65) Driver Mirror Horizontal Posi-
tion Signal circuit.
For the Passenger Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Passenger Memory Mirror Module connector.
•
Turn the ignition on.
•
Measure the voltage of the (P68) Passenger Mirror Horizontal
Position Signal circuit.
Is the voltage above 0.2 volts?
Yes, Driver MMM
Repair the (P65) Driver Mirror Horizontal Position Signal
circuit for a short to voltage.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
Yes, Passenger MMM
Repair the (P68) Passenger Mirror Horizontal Position Sig-
nal circuit for a short to voltage.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No, Driver MMM
Replace the Driver Memory Mirror Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No, Passenger MMM
Replace the Passenger Memory Mirror Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 153
B1D10, B1D19–MIRROR HORIZONTAL POSITION SENSOR INPUT CIRCUIT HIGH – MEMORY MIRROR
MODULE (CONTINUED)
4.
CHECK THE (P65) DRIVER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT OR THE (P68)
PASSENGER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT FOR AN OPEN
For the Driver Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Driver Memory Mirror Module C1 connector.
•
Measure the resistance of the (P65) Driver Mirror Horizontal
Position Signal circuit between the Driver Outside Rearview Mir-
ror connector and the Driver Memory Mirror Module C1 connec-
tor.
For the Passenger Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Passenger Memory Mirror Module connector.
•
Measure the resistance of the (P68) Passenger Mirror Horizontal
Position Signal circuit between the Passenger Outside Rearview
Mirror connector and the Passenger Memory Mirror Module con-
nector.
Is the resistance below 2.0 ohms?
Yes
>> Go To 5
No, Driver MMM
Repair the (P65) Driver Mirror Horizontal Position Signal
circuit for an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No, Passenger MMM
Repair the (P68) Passenger Mirror Horizontal Position Signal circuit for an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
8N - 154
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK
B1D10, B1D19–MIRROR HORIZONTAL POSITION SENSOR INPUT CIRCUIT HIGH – MEMORY MIRROR
MODULE (CONTINUED)
5.
CHECK THE (P69) DRIVER MIRROR SENSOR GROUND CIRCUIT OR (P66) PASSENGER MIRROR
SENSOR GROUND CIRCUIT FOR AN OPEN
For the Driver Memory Mirror System, proceed as follows:
•
Measure the resistance of the (P69) Driver Mirror Sensor Ground
circuit between the Driver Outside Rearview Mirror connector and
the Driver Memory Mirror Module C1 connector.
For the Passenger Memory Mirror System, proceed as follows:
•
Measure the resistance of the (P66) Passenger Mirror Sensor
Ground circuit between the Passenger Outside Rearview Mirror
connector and the Passenger Memory Mirror Module connector.
Is the resistance below 2.0 ohms?
Yes, Driver MMM
Replace the Driver Memory Mirror Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
Yes, Passenger MMM
Replace the Passenger Memory Mirror Module in accor-
dance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
- ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No, Driver MMM
Repair the (P69) Driver Mirror Sensor Ground circuit for an
open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No, Passenger MMM
Repair the (P66) Passenger Mirror Sensor Ground circuit for an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 155
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