Dodge Durango (HB). Manual — part 404
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 (P71) or (P72) Mirror Vertical Driver circuit.
Operate the mirror switch Up and Down 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 (P71) OR (P72) MIRROR VERTICAL MOTOR
DRIVER WIRE FOR AN OPEN
Turn the ignition off.
Disconnect the appropriate Memory Mirror Module connector.
Measure the resistance of the (P71) or (P72) Mirror Vertical Motor
Driver circuit between the mirror connector and the module connector.
Is the resistance below 2.0 ohms?
No
>> Repair the (P71) or (P72) Mirror Vertical Motor Driver cir-
cuit 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 - 129
B1D21,B1D2D–MIRROR VERTICAL MOTOR CONTROL CIRCUIT OPEN – MEMORY MIRROR MODULE — (CONTINUED)
8N - 130
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
HB
B1D23,B1D2F–MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT LOW – MEMORY MIRROR MODULE
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 a value below the tolerance of the mirror motor on the Mirror
Horizontal Motor Driver circuit 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 DRIVER CIRCUIT SHORT TO GROUND
(P75) OR (P74) MIRROR HORIZONTAL DRIVER CIRCUIT SHORTED TO THE (C910) OR (C917) MIRROR
HEATER GROUND CIRCUIT.
MIRROR SHORTED
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 B1D23 or B1D2F–MIRROR HORI-
ZONTAL MOTOR CONTROL 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/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
HB
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 131
B1D23,B1D2F–MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT LOW – MEMORY MIRROR MODULE — (CONTINUED)
2.
TEST FOR A SHORTED MIRROR
Disconnect the appropriate mirror connector.
With the scan tool, 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 B1D23 or B1D2F–MIRROR HORI-
ZONTAL MOTOR CONTROL CIRCUIT LOW?
No
>> Replace the Mirror.
Perform BODY VERIFICATION TEST - VER 1.
Yes
>> Go to 3
3.
TEST THE (P75) OR (P74)) MIRROR HORIZONTAL MOTOR
DRIVER WIRE FOR A SHORT TO GROUND
Turn the ignition off.
Disconnect the appropriate Memory Mirror Module connector.
Measure the resistance between ground and the (P75) or (P74) Mirror
Horizontal Motor Driver circuit.
Is the resistance below 5000.0 ohms?
Yes
>> Repair the (P75) or (P74) Mirror Horizontal Motor Driver
circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
>> Go to 4
8N - 132
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
HB
B1D23,B1D2F–MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT LOW – MEMORY MIRROR MODULE — (CONTINUED)
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