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:
System Description
SYSTEM DIAGRAMSystem DescriptionWhile driving, the active grille shutter system closes shutter to reduce air flow to engine compartment for the purpose of reducing aerodynamic drag, and as a result, improves the Nissan Murano vehicle's fuel efficiency...
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition
C1601
BATTERY VOLT
(Battery voltage)
Diagnosis condition
When ignition switch ON.
Signal (terminal)
Power steering control module supply voltage (terminals 1 and 5)
Threshold
Less than 8 V or more than 19 V
Diagnosis delay time
Less than 1 second
POSSIBLE CAUSE
Harness or connectors
Power steering control module
Fuse
Battery power supply circuit
Battery
FAIL-SAFEManual steering state
DTC Confirmation Procedure
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test...