Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Lin Communication Circuit
Diagnosis Procedure
CHECK BCM OUTPUT SIGNAL
-
Ignition switch ON.
-
Check signal between BCM harness connector and ground using an oscilloscope.
(+) (−) Signal
(Reference value)BCM Connector Terminal With type A meter: B123 91 Ground 
With type B meter: M18 24
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
CHECK LIN COMMUNICATION CIRCUIT
-
Ignition switch OFF, and then wait for 3 minutes with driver door open.
NOTE:
-
Even after ignition switch OFF, power is supplied to accessories for a certain amount of time by the AUTO ACC function.
-
When Nissan Ariya vehicle is operated while on standby, power may be supplied to accessories.
-
-
Disconnect following connectors:
-
BCM
-
Power window main switch
-
Front power window motor (driver side)
-
Passenger door mirror control module (if so equipped)
-
Moonroof motor assembly (if so equipped)
-
Sunshade motor assembly (if so equipped)
-
-
Check continuity between BCM harness connector and ground.
BCM (–) Continuity Connector Terminal With type A meter: B123 91 Ground No With type B meter: M18 24
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harness.
CHECK LIN COMMUNICATION SIGNAL
-
Ignition switch OFF, and then wait for 3 minutes with driver door open.
NOTE:
-
Even after ignition switch OFF, power is supplied to accessories for a certain amount of time by the AUTO ACC function.
-
When Nissan Ariya vehicle is operated while on standby, power may be supplied to accessories.
-
-
Disconnect following connectors:
-
Power window main switch
-
Front power window motor (driver side)
-
-
Ignition switch ON.
-
Check signal between power window main switch harness connector, front power window motor (driver side) harness connector and ground using an oscilloscope.
(+) (−) Signal
(Reference value)Connector Terminal Power window main switch D6*1
D27*24 Ground 
Front power window motor (driver side) D10 6 *1: With automatic drive positioner
*2: Without automatic drive positioner
Is the inspection result normal?
YES>>Inspection End.
NO-1>>Power window main switch: GO TO 4.
NO-2>>Front power window motor (driver side): GO TO 5.
CHECK LIN COMMUNICATION CIRCUIT (POWER WINDOW MAIN SWITCH)
-
Ignition switch OFF.
-
Disconnect BCM connector.
-
Check continuity between BCM harness connector and power window main switch harness connector.
BCM Power window main switch Continuity Connector Terminal Connector Terminal With type A meter: B123 91 D6*1
D27*24 Yes With type B meter: M18 24 D6*1
D27*24 Yes *1: With Automatic Drive Positioner
*2: Without Automatic Drive Positioner
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness.
CHECK LIN COMMUNICATION CIRCUIT [FRONT POWER WINDOW MOTOR (DRIVER SIDE)]
-
Ignition switch OFF.
-
Disconnect BCM connector.
-
Check continuity between BCM harness connector and front power window motor (driver side) harness connector.
BCM Front power window motor (driver side) Continuity Connector Terminal Connector Terminal With type A meter: B123 91 D10 6 Yes With type B meter: M18 24
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness.
Other materials:
Rear Final Drive: R145. Symptom Diagnosis. Noise, Vibration and Harshness (nvh) Troubleshooting
Noise, Vibration and Harshness (nvh) Troubleshooting
NVH Troubleshooting Chart
Use the chart below to find the cause of the symptom. If necessary, repair or replace these parts. Possible cause and SUSPECTED PARTS Symptom Reference
Noise Vibration
Gear tooth rough
×
–
Inspectio ...
U1321-55 Configuration Unfinished
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1321–55
Config unfinished
(Configuration unfinished)
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Configuration ...
Input Speed Sensor
Exploded View
1.
O-ring
2.
Input speed sensor
3.
Transaxle assembly
: N·m (kg-m, in-lb) : Always replace after every disassembly. : Apply petroleum jelly.
Removal and Installation
REMOVAL Never Reuse These Parts Part Code For additional information:
Seal-O-ring
31051 ...
