Nissan Murano: Heater & Air Conditioning Control System :: Dtc/circuit Diagnosis / B2667 Pass Sunload Sensor
DTC DETECTION LOGIC
NOTE:
-
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Description (U1000) or DTC Description (U1010).
-
Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient. When performing the diagnosis indoors, use a lamp (60 W or more) that is pointed at the sunload sensor.
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| B2667 |
PASS SUNLOAD SENSOR (SHORT) (Sunload sensor) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | - | ||
| Threshold | Detected calorie at sunload sensor (passenger side) 2832 W/m2 (2436 kcal/m2·h) or more. | ||
| Diagnosis delay time | - | ||
POSSIBLE CAUSE
-
Sunload sensor
-
A/C auto amp.
-
Harness and connector (The sensor circuit is open or shorted.)
FAIL-SAFE
—
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “HVAC”.
-
Check DTC.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>Inspection End.
CHECK SUNLOAD SENSOR POWER SUPPLY
-
Ignition switch OFF.
-
Disconnect sunload sensor connector.
-
Ignition switch ON.
-
Check voltage between sunload sensor harness connector and ground.
+ − Voltage
(Approx.)Sunload sensor Connector Terminal M226 1 Ground 5 V
Is the inspection result normal?
YES>>GO TO 2.
NO>>GO TO 4.
CHECK SUNLOAD SENSOR GROUND CIRCUIT
-
Ignition switch OFF.
-
Check continuity between sunload sensor harness connector and ground.
Sunload sensor — Continuity Connector Terminal M226 3 Ground Yes
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair harness or connector.
CHECK SUNLOAD SENSOR
Check sunload sensor. Refer to Component Inspection.
Is the inspection result normal?
YES>>Replace A/C auto amp. Refer to Removal and Installation.
NO>>Replace sunload sensor. Refer to Removal and Installation.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR OPEN
-
Ignition switch OFF.
-
Disconnect A/C auto amp. connector.
-
Check continuity between sunload sensor harness connector and A/C auto amp. harness connector.
Sunload sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M226 1 M50 36 Yes
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair harness or connector.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT
Check continuity between sunload sensor harness connector and ground.
| Sunload sensor | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M226 | 1 | Ground | No |
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair harness or connector.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR POWER SHORT
-
Ignition switch ON.
-
Check voltage between sunload sensor harness connector and ground.
+ − Voltage
(Approx.)Sunload sensor Connector Terminal M226 1 Ground 0 V
Is the inspection result normal?
YES>>Replace A/C auto amp. Refer to Removal and Installation.
NO>>Repair harness or connector.
CHECK SUNLOAD SENSOR
-
Ignition switch ON.
-
Check input voltage from sunload sensor between A/C auto amp. harness connector and ground. Refer to applicable table for normal value.
+ − A/C auto amp. Connector Terminal M50 36 Ground 
NOTE:
-
When checking indoors, use a lamp of approximately 60 W. Move the lamp towards and away from the sensor to check.
-
The sunload amount produced by direct sunshine in fair weather is equivalent to approximately 0.770 kW/m2 (662 kcal/m2·h).
-
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace sunload sensor. Refer to Removal and Installation.
B2632 Dr Air Mix Door Mot
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B2632
DR AIR MIX DOOR MOT (SHORT)
(Driver side air mix door motor)
Diagnosis condition
When ignition switch is ON...
B2796 Fr Sw Comm Error
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B2796
FR SW COMM ERROR
(Front switch communication error)
Diagnosis condition
When ignition switch is ON...
Other information:
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The gauge may move slightly during braking, turning, acceleration, or going up or down hills.
The gauge needle returns to 0 (Empty) after the ignition switch is placed in the OFF position.
