Dodge Durango (HB). Manual — part 390
HB
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 73
U1001–CAN B BUS (-) CIRCUIT– MEMORY MIRROR MODULE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously
•
Set Condition:
Whenever the Can B Bus (-) circuit is open, shorted to voltage or shorted to ground, this code will set.
Possible Causes
CAN B BUS (-) DTC’s IN FRONT CONTROL MODULE
(D54) CAN B BUS (-) CIRCUIT OPEN
MEMORY MIRROR MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC’s
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 U1001 CAN B BUS (-) CIRCUIT?
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.
2.
CHECK FRONT CONTROL MODULE DTC’s
With the scan tool, read Front Control Module DTC’s
Does the scan tool display any CAN B BUS DTC’s – ACTIVE?
Yes
>> Refer to the symptom list for problems related to Commu-
nication in the ELECTRICACL – ELECTRONIC CONTROL
MODULES – ELECTRICAL DIAGNOSES section.
No
>> Go to 3
8N - 74
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
HB
U1001–CAN B BUS (-) CIRCUIT– MEMORY MIRROR MODULE —
(CONTINUED)
3.
CAN B BUS (-) CIRCUIT OPEN
Turn the ignition off.
Disconnect the Front Control Module C1 connector.
Disconnect the appropriate Memory Mirror Module C1 connector.
Measure the resistance of the (D54) Can B Bus (-) circuit between the
Front Control Module connector and the Memory Mirror Module con-
nector.
Is the the resistance below 2.0 ohms?
Yes
>> Replace the Memory Mirror Module.
Perform BODY VERIFICATION TEST - VER 1.
No
>> Repair the Can B Bus (-) circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
HB
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
8N - 75
U1001–CAN B BUS (-) CIRCUIT– MEMORY MIRROR MODULE —
(CONTINUED)
8N - 76
POWER MIRRORS - ELECTRICAL DIAGNOSTICS
HB
B1D04–MIRROR ADJUST SWITCH INPUT CIRCUIT/PERFORMANCE – MEMORY MIRROR MODULE
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст