Nissan Murano: Dtc/circuit Diagnosis / Led Headlamp
Diagnosis Procedure
CHECK HEADLAMP (LO) GROUND CIRCUIT
-
Ignition switch OFF.
-
Disconnect front combination lamp connector.
-
Check continuity between front combination lamp harness connector and ground.
| Front combination lamp | — | Continuity |
| Connector | Terminal |
| RH |
E243 |
5 |
Ground |
Yes |
| LH |
E247 |
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace harness.
CHECK LED HEADLAMP CONTROL MODULE
Install the normal LED headlamp control module to the applicable headlamp. Check that the lighting switch is turned ON.
Is the headlamp turned ON?
YES>>
Replace LED headlamp control module. Refer to Removal and Installation.
NO>>
GO TO 3.
CHECK HEADLAMP
Install the normal applicable front combination lamp. Check that the headlamp is turned ON.
Is the headlamp turned ON?
YES>>
Replace front combination lamp. Refer to Removal and Installation.
NO>>
LED headlamp is normal. Check headlamp control system.
Component Function Check
CHECK DAYTIME RUNNING LIGHT OPERATION
CONSULT
Select “EXTERNAL LAMPS” in “Active Test” mode of “IPDM E/R”.
While operating the test items, check daytime running light operation...
Component Function Check
CHECK PARKING LAMP OPERATION
CONSULT
Select “EXTERNAL LAMPS” in “Active Test” mode of “IPDM E/R”.
While operating the test items, check that the parking lamp is turned ON...
Other information:
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
B26FF
INTELLIGENT TUNER COMM ERR
(Intelligent tuner communication error)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
BCM terminal 119
Threshold
Inactive communication between BCM and remote keyless entry receiver
Diagnosis delay time
—
POSSIBLE CAUSE
Remote keyless entry receiver
Harness or connector
BCM
FAIL-SAFE—
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B1310
TCU TEMPERATURE ERROR
(TCU temperature error)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
—
Threshold
TCU internal temperature is high
Diagnosis delay time
1 second or more
POSSIBLE CAUSE
TCU internal temperature is high
TCU
FAIL-SAFETelematics system function stops
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...