Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Rear Window Defogger Relay
Component Function Check
CHECK REAR WINDOW DEFOGGER RELAY CONTROL FUNCTION
CONSULT
-
Ignition switch ON.
-
Select “Rear defogger” in “Active test” mode of "BCM".
-
Touch “On”.
-
Check that the back door window glass is getting warmer.
NOTE:
When glass is hot, never start inspection until it is cool enough.
Is the inspection result normal?
YES>>Rear window defogger relay control function is OK.
NO>>Refer to Diagnosis Procedure.
Diagnosis Procedure
CHECK REAR WINDOW DEFOGGER RELAY (COIL SIDE) CIRCUIT 1
-
Ignition switch OFF.
-
Disconnect BCM connector.
-
Ignition switch ON.
-
Check voltage between BCM harness connector and ground.
(+) (-) Voltage
(Approx.)BCM Connector Terminal M19 (with type B meter) 63 Ground Battery voltage M51 (with type A meter) 35
Is the inspection result normal?
YES>>GO TO 5.
NO>>GO TO 2.
CHECK REAR WINDOW DEFOGGER RELAY (COIL SIDE) CIRCUIT 2
-
Ignition switch OFF.
-
Remove rear window defogger relay.
-
Ignition switch ON.
-
Check voltage between rear window defogger relay terminal and ground.
(+) (-) Voltage
(Approx.)Rear window defogger relay Location Terminal J ‐ 4 2 Ground Battery voltage
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace the malfunctioning parts.
CHECK REAR WINDOW DEFOGGER RELAY (COIL SIDE) CIRCUIT 3
-
Ignition switch OFF.
-
Disconnect fuse block (J/B) connector.
-
Check continuity between rear window defogger relay terminal and fuse block (J/B) harness connector.
Rear window defogger relay Fuse block (J/B) Continuity Location Terminal Connector Terminal J ‐ 4 1 M68 16F Yes
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness.
CHECK REAR WINDOW DEFOGGER RELAY (COIL SIDE) CIRCUIT 4
-
Ignition switch OFF.
-
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
| BCM | Fuse block (J/B) | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |
| M19 (with type B meter) | 63 | M68 | 16F | Yes |
| M51 (with type B meter) | 35 | |||
Is the inspection result normal?
YES>>GO TO 7.
NO>>Repair or replace harness.
CHECK REAR WINDOW DEFOGGER RELAY (SWITCH SIDE) CIRCUIT 1
-
Ignition switch OFF.
-
Remove rear window defogger relay.
-
Check voltage between rear window defogger relay terminal and ground.
(+) (-) Voltage
(Approx.)Rear window defogger relay Location Terminal J ‐ 4 3 Ground Battery voltage
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace the malfunctioning parts.
CHECK REAR WINDOW DEFOGGER RELAY (SWITCH SIDE) CIRCUIT 2
-
Disconnect fuse block (J/B) connector.
-
Check continuity between fuse block (J/B) harness connector and rear window defogger relay terminal.
Fuse block (J/B) Rear window defogger relay Continuity Connector Terminal Location Terminal B28 1L J ‐ 4 5 Yes
Is the inspection result normal?
YES>>GO TO 7.
NO>>Repair or replace fuse block (J/B).
CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay. Refer to Component Inspection.
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace rear window defogger relay.
Component Inspection
CHECK REAR WINDOW DEFOGGER RELAY
-
Ignition switch OFF.
-
Remove rear window defogger relay.
-
Check continuity between rear window defogger relay terminals.
| Terminal | Condition | Continuity | |
|---|---|---|---|
|
Rear window defogger relay | |||
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12 V direct current supply between terminals and . |
Yes |
| No current supply | No | ||

Is the inspection result normal?
YES>>Inspection End.
NO>>Replace rear window defogger relay.
Other materials:
Eps/dast 3 Branch Line Circuit (chasssis Can Communication 1 Circuit)
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
Power steering control module
Harnes ...
System Description. Component Parts
Seat Belt Pre-tensioner with Load Limiter
DESCRIPTIONThe seat belt system is equipped with pre-tensioner mechanism, load limiter mechanism, and ELR mechanism.STRUCTURE
ELR shaft (torsion bar)
Bobbin
Lock portion
Ring gear
Pinion gear
Gas generator
Sealing element ...
Kr15ddt. Periodic Maintenance
Engine Coolant
Inspection
LEVEL
Check that the reservoir tank engine coolant level is within the “MIN” to “MAX” when the engine is cool.
: MAX
: MIN
Adjust the engine coolant level if necessary.
CAUTION:
Refill Genuine NISSAN Long Life Antifreeze/Coolant (blue) ...



and
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