Nissan Murano: Dtc/circuit Diagnosis / C1a01 Power Supply Circuit 1
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detection condition | |
|---|---|---|---|
| C1A01–16 |
POWER SUPPLY CIR 1 (Power supply circuit) |
Diagnosis condition | When Ignition switch is ON. |
| Signal (terminal) | — | ||
| Threshold | The battery voltage sent to distance sensor (ICC sensor) remains less than 8.6 V for 5 seconds | ||
| Diagnosis delay time | — | ||
| C1A01–17 |
POWER SUPPLY CIR 1 (Power supply circuit 1) |
Diagnosis condition | When Ignition switch is ON. |
| Signal (terminal) | — | ||
| Threshold | The battery voltage sent to distance sensor (ICC sensor) remains more than 16.5 V | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
-
Connector, harness, fuse
-
Distance sensor (ICC sensor)
FAIL-SAFE
The following systems are canceled:
-
Intelligent Cruise Control
-
Automatic Emergency Braking (AEB)
-
Intelligent Forward Collision Warning (I-FCW)
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Start the engine.
-
Turn the MAIN switch of ICC system ON.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “C1A01–16” or “C1A01–17” is detected as the current malfunction in “Self Diagnostic Result” mode of “LASER/RADAR”.
Is “C1A01–16” or “C1A01–17” detected as the current malfunction?
YES>>Refer to Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
CHECK DISTANCE SENSOR (ICC SENSOR) POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit of distance sensor (ICC sensor). Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>Replace the distance sensor (ICC sensor). Refer to Removal and Installation.
NO>>Repair or replace the malfunctioning parts.
C1a0c Adas Message Counter Failure
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT terms DTC detection condition
C1A0C (82, 83)
ADAS MSG COUNTER
Diagnosis condition
When ignition switch is ON...
C1a03 Vehicle Speed Sensor
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms DTC detection condition
C1A03–64
VHCL SPEED SE CIRC
(Nissan Murano Vehicle speed sensor circuit)
Diagnosis condition
When ignition switch in ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Wheel Hub
On-vehicle Service Check axle and suspension parts for excessive play, wear or damage. Move the wheel as shown to check for excessive play. Inspection Check wheel hub bearing axial end play. Axial end play : Refer to Wheel Bearing. Check that wheel hub bearings operate smoothly...
Nissan Murano (Z52) 2015-2024 Service Manual: P0603 Ecm
DTC Description DTC DETECTION LOGIC ECM back up system does not function properly. EEPROM (built-in microcomputer) system internal ECM does not function properly. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0603 ECM BACK UP/CIRCUIT [Internal Control Module Keep Alive Memory (KAM) Error] Diagnosis condition Ignition switch ON Signal (terminal) — Threshold ECM back up system does not function properly Diagnosis delay time — P062F CONTROL MODULE (Internal control module EEPROM error) Diagnosis condition Start engine and let it idle Signal (terminal) — Threshold EEPROM (built-in microcomputer) system internal ECM does not function properly Diagnosis delay time — POSSIBLE CAUSEDTC P0603 Harness or connectors [ECM power supply circuit is open or shorted...
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Vehicle security system
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.
