Description
Power is supplied to the main power window and door lock/unlock with BCM control.
Component Function Check
1. CHECK POWER WINDOW RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of power window relay [located behind the A/C switch assembly (automatic A/ C) or Front air control (manual A/C)] can be heard when turning the main power window and door lock/unlock switch ON.
Is the inspection result normal? YES >> Power window relay power supply circuit is OK.
NO >> Refer to PWC-48, "Diagnosis Procedure".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to PWC-17, "Wiring Diagram".
1. CHECK POWER WINDOW RELAY CONTROL CIRCUIT
Is the inspection result normal? YES >> Replace the BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS-135, "Removal and Installation" (without Intelligent Key system).
NO >> GO TO 2.
2. CHECK HARNESS CONTINUITY
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3. CHECK POWER WINDOW RELAY
Check power window relay.
Refer to PWC-49, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Replace power window relay.
Component Inspection
1. CHECK POWER WINDOW RELAY
Check power window relay.
Is the inspection result normal? YES >> Inspection End.
NO >> Replace power window relay.
Hood
Hood
Pull the hood lock release handle 1 located
below the instrument panel until the hood
springs up slightly.
Locate the lever 2 in between the hood and
grille and push the lever sideways with your
fingertips.
Raise the hood 3 .
Remove the support rod 4 and in ...
U0073 communication bus a OFF
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0073
COMM BUS A OFF
(Control Module Communication Bus A Off)
TCM communication blockage lasts for 2 seconds or more when turning
ON the ignition sw ...
How to use the [ ] button
For additional information, refer to the separate
Navigation System Owner’s Manual regarding
the “SiriusXM® Travel Link”, and “Traffic” features.
For additional information, refer to “Nissan-
ConnectSM with Mobile Apps” in this section
regarding “My Apps” key.
For ad ...