Jeep Grand Cherokee WK. Manual — part 491
B1D07–MIRROR ADJUST SWITCH INPUT CIRCUIT STUCK – DRIVER MEMORY MIRROR MODULE (CONTINUED)
3.
VERIFY THAT DTC B1D07 MIRROR ADJUST SWITCH INPUT CIRCUIT STUCK IS STILL ACTIVE
Turn the ignition off.
Reconnect the Mirror Switch connector.
Reinstall the Mirror Switch in accordance with the Service Information.
Turn the ignition on.
With the scan tool, erase DTCs.
Press the Mirror Switch in all directions several times.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display: B1D07 MIRROR ADJUST SWITCH INPUT CIRCUIT STUCK?
Yes
>> 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
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors. If the conditions returns, replace the switch.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
8N - 124
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK
B1D09, B1D12–MIRROR POSITION SENSOR POWER SUPPLY CIRCUIT LOW –
MEMORY MIRROR MODULE
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 125
B1D09, B1D12–MIRROR POSITION SENSOR POWER SUPPLY CIRCUIT LOW – MEMORY MIRROR
MODULE (CONTINUED)
For the Power Memory Mirror System circuit diagram (Refer to 8 - ELECTRICAL/POWER MIRRORS - SCHEMAT-
ICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously
•
Set Condition:
DTC B1D09 – If the Driver Memory Mirror Module senses voltage is less than 4.3 volts for more than 30 ms
on the (P669) Driver Mirror Sensor Supply circuit.
DTC B1D12 – If the Passenger Memory Mirror Module senses voltage is less than 4.3 volts for more than 30
ms on the (P666) Passenger Mirror Sensor Supply circuit.
Possible Causes
FOR THE DRIVER MEMORY MIRROR SYSTEM:
(P669) DRIVER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO GROUND
(P669) DRIVER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO (Z911) GROUND CIRCUIT
(P669) DRIVER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO (P69) DRIVER MIRROR SENSOR
GROUND CIRCUIT
(P669) DRIVER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO (C910) DRIVER MIRROR HEATER
GROUND CIRCUIT
DRIVER OUTSIDE REARVIEW MIRROR SHORTED
DRIVER MEMORY MIRROR MODULE
FOR THE PASSENGER MEMORY MIRROR SYSTEM:
(P666) PASSENGER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO GROUND
(P666) PASSENGER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO THE (Z908) GROUND CIRCUIT
(P666) PASSENGER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO (P66) PASSENGER MIRROR
SENSOR GROUND CIRCUIT
(P666) PASSENGER MIRROR SENSOR SUPPLY CIRCUIT SHORTED TO (C917) PASSENGER MIRROR
HEATER GROUND CIRCUIT
PASSENGER OUTSIDE REARVIEW MIRROR SHORTED
PASSENGER MEMORY MIRROR MODULE
NOTE: This procedure addresses the Driver Memory Mirror system’s circuits and components and the Pas-
senger Memory Mirror system’s circuits and components. Select only that which applies to the system you
are diagnosing.
8N - 126
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
WK
B1D09, B1D12–MIRROR POSITION SENSOR POWER SUPPLY CIRCUIT LOW – MEMORY MIRROR
MODULE (CONTINUED)
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTCs.
Operate the Mirror Switch in all directions several times.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display: B1D09 or B1D12 MIRROR POSITION SENSOR POWER SUPPLY CIRCUIT
LOW?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
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.
•
Turn the ignition on.
•
Measure the voltage between the (P669) Driver Mirror Sensor
Supply circuit and the (P69) Driver Mirror Sensor Ground circuit.
For the Passenger Memory Mirror System, proceed as follows:
•
Turn the ignition off.
•
Disconnect the Passenger Outside Rearview Mirror connector.
•
Turn the ignition on.
•
Measure the voltage between the (P666) Passenger Mirror Sen-
sor Supply circuit and the (P66) Passenger Mirror Sensor Ground
circuit.
Is the voltage above 4.6 volts?
Yes
>> 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).
No
>> Go To 3
WK
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 127
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