Dodge Durango (HB). Manual — part 406
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HB
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 137
B1D25,B1D31–MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT OPEN – MEMORY MIRROR MODULE
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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:
When the Memory Mirror Module senses an open condition on the Mirror Horizontal Motor Driver circuit
during a mirror opeation, for over 10ms., this code will set.Note: This test covers both the Driver and
Passenger code depending on the side the code appeared in.
Possible Causes
(P75) OR (P74) MIRROR HORIZONTAL MOTOR DRIVER CIRCUIT OPEN
MIRROR OPEN
MEMORY MIRROR MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC’s
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 DTC’s.
Does the scan tool display B1D25 or B1D31–MIRROR HORI-
ZONTAL MOTOR CONTROL CIRCUIT OPEN?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not
present at this time. Using the wiring diagram/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
8N - 138
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
HB
B1D25,B1D31–MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT OPEN – MEMORY MIRROR MODULE — (CONTINUED)
![](/vehicles/wlang/dowa/jaicchinds/lyokn.png)
2.
TEST FOR AN OPEN MIRROR
Disconnect the appropriate mirror connector.
Connect a test light between the (P73) or (P70) Mirror Common Driver
circuit and the (P75) or (P74) Mirror Horizontal Driver circuit.
Operate the mirror switch Left and Right several times.
Does the testlight illuminate when the switch is operated?
Yes
>> Replace the Mirror.
Perform BODY VERIFICATION TEST - VER 1.
No
>> Go to 3
3.
TEST THE (P75) OR (P74) MIRROR HORIZONTAL MOTOR
DRIVER WIRE FOR AN OPEN
Turn the ignition off.
Disconnect the appropriate Memory Mirror Module connector.
Measure the resistance of the (P75) or (P74) Mirror Horizontal Motor
Driver circuit between the mirror connector and the module connector.
Is the resistance below 2.0 ohms?
No
>> Repair the (P75) or (P74) Mirror Horizontal Motor Driver
circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Yes
>> Replace the appropriate Memory Mirror Module.
Perform BODY VERIFICATION TEST - VER 1.
HB
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 139
B1D25,B1D31–MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT OPEN – MEMORY MIRROR MODULE — (CONTINUED)
Diagnostic Test
1.
Perform Body Verification Test
Disconnect all jumper wires and reconnect all previously disconnected
components and connectors.
Ensure that all accessories are turned off.
Ensure that the battery is fully charged.
Turn the ignition on.
With the scan tool, record and erase DTCs from all modules.
If repairs were made to any of the HVAC door actuator circuits, with
the scan tool in HVAC, select System Tests and then select Actuator
DTC Detection. The test must pass before proceeding to the next
step.
If repairs were made to any of the HVAC doors, linkage, door actua-
tors, or door actuator circuits, with the scan tool in HVAC, select Sys-
tem Tests and then select Actuator Calibration Test. The test must
pass before proceeding to the next step.
Turn the ignition off, wait 10 seconds, and then turn the ignition on.
Operate all functions of the system that caused the original concern.
With the scan tool, select ECU View.
Check for DTCs in the modules.
Are DTCs present in any of the modules or is the original con-
dition still present?
Yes
>> The repair is not complete. Refer to the related category
for the DTC or symptom that is still present.
No
>> The repair is complete.
8N - 140
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
HB
BODY VERIFICATION TEST – VER 1
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