Nissan Rogue (T33) 2021-Present Service Manual: B2480-93 Rear Air Mix Door Motor
DTC Description
DTC DETECTION LOGIC
NOTE:
If all of door motors DTC (B2480-93*, B24F5-93, B24F6-93, B24F7-93, B24F8-93) are detected, check “DOOR MOTOR”. Refer to Diagnosis Procedure.
*: With rear air control
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| B2480-93 |
Rear air mix door motor (Rear air mix door motor) |
Diagnosis condition | Ignition switch ON |
| Signal (Terminal) | LIN (door motor) signal | ||
| Threshold | Drive error of air mix door motor (rear) is detected | ||
| Diagnosis delay time | 1 second or more | ||
POSSIBLE CAUSE
-
Harness and connector [air mix door motor (rear) circuit is open or shorted to ground]
-
Air mix door motor (rear) installation condition
-
Air mix door motor (rear)
-
A/C amp.
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
PERFORM SELF-DIAGNOSIS
CONSULT
-
Start the engine.
-
Select “Self diagnosis result” mode of “HVAC”.
-
Check DTC.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK AIR MIX DOOR MOTOR (REAR) POWER SUPPLY
-
Ignition switch ON.
-
Check voltage between air mix door motor (rear) harness connector and A/C amp. harness connector.
| (+) | (−) | Voltage | ||
|---|---|---|---|---|
| Air mix door motor (rear) | A/C amp. | |||
| Connector | Terminal | Connector | Terminal | |
| M151 | 1 | M55 | 58 | Battery voltage |
Is the inspection result normal?
YES>>GO TO 2.
NO>>GO TO 5.
CHECK AIR MIX DOOR MOTOR (REAR) GROUND CIRCUIT FOR OPEN
-
Ignition switch OFF.
-
Disconnect air mix door motor (rear) connector and A/C amp. connector.
-
Check continuity between air mix door motor (rear) harness connector and A/C amp. harness connector.
Air mix door motor (rear) A/C amp. Continuity Connector Terminal Connector Terminal M151 2 M54 27 Yes
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair harness or connector.
CHECK AIR MIX DOOR MOTOR (REAR) LIN SIGNAL CIRCUIT
-
Connect air mix door motor (rear) connector and A/C amp. connector.
-
Ignition switch ON.
-
Confirm output waveform between air mix door motor (rear) harness connector and A/C amp. harness connector with oscilloscope.
(+) (−) Output waveform Air mix door motor (rear) A/C amp. Connector Terminal Connector Terminal M151 3 M55 58 
Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 6.
CHECK INSTALLATION OF AIR MIX DOOR MOTOR (REAR)
Check air mix door motor (rear) is properly installed. Refer to Exploded View.
Is the inspection result normal?
YES>>Replace air mix door motor (rear). Refer to Removal and Installation.
NO>>Repair or replace malfunctioning part.
CHECK AIR MIX DOOR MOTOR (REAR) POWER SUPPLY CIRCUIT FOR OPEN
-
Ignition switch OFF.
-
Disconnect air mix door motor (rear) connector and A/C amp. connector.
-
Check continuity between air mix door motor (rear) harness connector and A/C amp. harness connector.
Air mix door motor (rear) A/C amp. Continuity Connector Terminal Connector Terminal M151 1 M54 1 Yes
Is the inspection result normal?
YES>>Replace A/C amp. Refer to Removal and Installation.
NO>>Repair harness or connector.
CHECK AIR MIX DOOR MOTOR (REAR) LIN SIGNAL CIRCUIT FOR OPEN
-
Ignition switch OFF.
-
Disconnect air mix door motor (rear) connector and A/C amp. connector.
-
Check continuity between air mix door motor (rear) harness connector and A/C amp. harness connector.
Air mix door motor (rear) A/C amp. Continuity Connector Terminal Connector Terminal M151 3 M54 2 Yes
Is the inspection result normal?
YES>>Replace A/C amp. Refer to Removal and Installation.
NO>>Repair harness or connector.
Other materials:
Precaution. Precautions
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT
PRE-TENSIONER”, used along with a front seat belt, helps to reduce the
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Removal and Installation. Front Coil Spring and Strut
Exploded View
Piston rod lock nut
Mounting insulator
Mounting bearing
Bound bumper
Upper rubber seat
Coil spring
Lower rubber seat
Strut
Steering knuckle
: N·m (kg-m, ft-lb)
: Always replace after every di ...
With Vdc. Preparation. Preparation
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
KV991J0080
(NI-45741-A)
ABS active wheel sensor tester
Checking operation of wheel sensors
...
