DTC DETECTION LOGIC
DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
---|---|---|---|
B2CCF-04 | Passenger door mirror control module | Diagnosis condition | Ignition switch is ON or OFF (auto ACC status). |
Signal (terminal) | LIN communication (door mirror) signal | ||
Threshold | BCM detects communication error with passenger door mirror control module. | ||
Diagnosis delay time | 1 second or less |
POSSIBLE CAUSE
Passenger door mirror control module
LIN communication line
BCM
FAIL SAFE
—
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON.
Select “Self Diagnostic Result” mode of “BCM”.
Check DTC.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
CHECK LIN COMMUNICATION SIGNAL
Ignition switch ON.
Check signal between passenger door mirror control module harness connector and ground using an oscilloscope.
(+) | (−) |
Signal (Reference value) | |
---|---|---|---|
Passenger door mirror control module | |||
Connector | Terminal | ||
D108 | 7 | Ground |
|
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
CHECK PASSENGER DOOR MIRROR CONTROL MODULE CIRCUIT
Ignition switch OFF.
Disconnect passenger door mirror control module connector and BCM connector.
Check continuity between passenger door mirror control module harness connector and BCM harness connector.
Passenger door mirror control module | BCM | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
D108 | 7 | M18 | 24 | Yes |
Check continuity between passenger door mirror control module harness connector and ground.
Passenger door mirror control module | — | Continuity | ||
---|---|---|---|---|
Connector | Terminal | |||
D108 | 7 | Ground | No |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
REPLACE PASSENGER DOOR MIRROR CONTROL MODULE
Replace passenger door mirror control module. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 4.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
>>
Inspection End.
CHECK FUSE
Ignition switch OFF.
Check that the following fuses are not blown (open):
Signal name | Fuse No. | Capacity |
---|---|---|
Ignition power supply | 4 | 10 A |
40 | 10 A |
Is the fuse blown (open)?
YES>>Replace the blown fuse after repairing the affected circuit.
NO>>GO TO 2.
CHECK SMART REAR VIEW MIRROR POWER SUPPLY CIRCUIT
Disconnect smart rear view mirror connector.
Ignition switch ON.
Check voltage between smart rear view mirror harness connector and ground.
+ | — |
Voltage (Approx.) | |
---|---|---|---|
Smart rear view mirror | |||
Connector | Terminal | ||
R8 | 1 | Ground | Battery voltage |
7 |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
CHECK SMART REAR VIEW MIRROR GROUND CIRCUIT
Ignition switch OFF.
Check continuity between smart rear view mirror harness connector and ground.
Smart rear view mirror | — | Continuity | |
---|---|---|---|
Connector | Terminal | ||
R8 | 2 | Ground | Yes |
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness.
CHECK FUSE
Ignition switch OFF.
Check that the following fuse is not blown (open):
Signal name | Fuse No. | Capacity |
---|---|---|
Ignition power supply | 45 | 10 A |
Is the fuse blown (open) ?
YES>>Replace the blown fuse after repairing the affected circuit.
NO>>GO TO 2.
CHECK PASSENGER DOOR MIRROR CONTROL MODULE POWER SUPPLY
Disconnect passenger door mirror control module connector.
Ignition switch ON.
Check voltage between passenger door mirror control module harness connector and ground.
(+) | (−) |
Voltage (Approx.) | |
---|---|---|---|
Passenger door mirror control module | |||
Connector | Terminal | ||
D108 | 4 | Ground | Battery voltage |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness and check fuse.
CHECK LIN COMMUNICATION SIGNAL
Ignition switch OFF.
Connect passenger door mirror control module connector.
Ignition switch ON.
Check signal between passenger door mirror control module harness connector and ground using an oscilloscope.
(+) | (−) |
Signal (Reference value) | |
---|---|---|---|
Passenger door mirror control module | |||
Connector | Terminal | ||
D108 | 7 | Ground |
|
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness.
CHECK PASSENGER DOOR MIRROR CONTROL MODULE CIRCUIT
Ignition switch OFF.
Disconnect passenger door mirror control module connector and door mirror RH connector.
Check continuity between passenger door mirror control module harness connector and door mirror RH harness connector.
Passenger door mirror control module | Door mirror RH | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
D108 | 8 | D128 | 9 | Yes |
9 | 10 |
Check continuity between passenger door mirror control module harness connector and ground.
Passenger door mirror control module | — | Continuity | ||
---|---|---|---|---|
Connector | Terminal | |||
D108 | 8 | Ground | No | |
9 |
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace harness.
CHECK PASSENGER DOOR MIRROR CONTROL MODULE GROUND CIRCUIT
Check continuity between passenger door mirror control module harness connector and ground.
Passenger door mirror control module | — | Continuity | ||
---|---|---|---|---|
Connector | Terminal | |||
D108 | 12 | Ground | Yes |
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace harness.
REPLACE DOOR MIRROR RH
Replace door mirror RH. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 7.
REPLACE PASSENGER DOOR MIRROR CONTROL MODULE
Replace passenger door mirror control module. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 8.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 9.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent Incident..
>>
Inspection End.
CHECK SMART REAR VIEW MIRROR OPERATION
Ignition switch ON.
Turn ON the power lever located at the bottom of the smart rear view mirror, and check that the image from the smart rear view mirror camera is displayed on the LCD monitor integrated in the smart rear view mirror.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check smart rear view mirror circuit. Refer to Diagnosis Procedure.
CHECK SMART REAR VIEW MIRROR CAMERA CIRCUIT
Ignition switch OFF.
Disconnect smart rear view mirror harness connector and smart rear view mirror camera harness connector.
Check continuity between smart rear view mirror harness connector and smart rear view mirror camera harness connector.
Smart rear view mirror | Smart rear view mirror camera | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
R6 | 13 | D503 | 1 | Yes |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harness or connector.
CHECK SMART REAR VIEW MIRROR CAMERA GROUND CIRCUIT
Check continuity between smart rear view mirror camera harness connector and ground.
Smart rear view mirror camera | (-) | Continuity | |
---|---|---|---|
Connector | Terminal | ||
D503 | 2 | Ground | Yes |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connector.
REPLACE SMART REAR VIEW MIRROR CAMERA
Replace smart rear view mirror camera.
Check smart rear view mirror system. Refer to Component Function Check.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 4.
REPLACE SMART REAR VIEW MIRROR
Replace smart rear view mirror. Refer to Removal and Installation.
Check smart rear view mirror system. Refer to Component Function Check.
Is the inspection result normal?
YES>>Inspection End.
NO>>To check malfunction symptom before repair. Refer to Intermittent Incident.
CHECK MIRROR SWITCH & SELECT SWITCH
Ignition switch OFF.
Disconnect door mirror remote control switch connector.
Check door mirror remote control switch.
Door mirror remote control switch | Condition | Continuity | |||
---|---|---|---|---|---|
Terminals | Select switch | Mirror switch | |||
Door mirror LH | 21 | 10 | LEFT | RIGHT | Yes |
10 | 21 | LEFT | |||
6 | 21 | UP | |||
21 | 6 | DOWN | |||
Door mirror RH | 7 | 9 | RIGHT | RIGHT | |
9 | 7 | LEFT | |||
8 | 7 | UP | |||
7 | 8 | DOWN |
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace main power window and door mirror switch. Refer to Removal and Installation.
CHECK RETRACTOR SWITCH
Ignition switch OFF.
Disconnect door mirror remote control switch connector.
Check door mirror remote control switch.
Door mirror remote control switch | Condition | Continuity | |||
---|---|---|---|---|---|
Terminals | |||||
LH side | 17 | 18 | Retractor switch | OPEN | Yes |
18 | 17 | CLOSE | |||
RH side | 19 | 20 | OPEN | ||
20 | 19 | CLOSE |
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace main power window and door mirror switch. Refer to Removal and Installation.
Nissan Pathfinder Info Center
Email: info@nipathfinder.com
Phone: +1 (800) 123-4567
Address: 123 Pathfinder Blvd, Nashville, TN 37214, USA
Working Hours: Mon–Fri, 9:00 AM – 5:00 PM (EST)