Nissan Murano: Icc/adas (adas Control Unit) / C1a01-A2 Power Supply Cir
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| C1A01-A2 |
POWER SUPPLY CIR (Power supply circuit) |
Diagnosis condition |
|
|
| Signal (terminal) | Battery power supply | |||
| Threshold | The battery voltage sent to ADAS control unit remains less than 7.9 V | |||
| Diagnosis delay time | 5 seconds or more | |||
POSSIBLE CAUSE
-
Connector, harness, fuse
-
ADAS control unit
FAIL-SAFE
The following systems are canceled:
-
Vehicle-to-vehicle distance control mode
-
Conventional (fixed speed) cruise control mode
-
Automatic Emergency Braking (AEB) with pedestrian detection
-
Automatic Emergency Braking (AEB)
-
Intelligent Forward Collision Warning (I-FCW)
-
Lane Departure Warning (LDW)
-
Intelligent Lane Intervention (I-LI)
-
Blind Spot Warning (BSW)
-
Rear Cross Traffic Alert (RCTA)
-
Rear Automatic Braking (RAB)
-
Traffic Sign Recognition (TSR)
-
Intelligent Drive Alertness (I-DA)
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Start the engine.
-
Turn the MAIN switch of ICC system ON.
-
Perform “All DTC Reading”.
-
Check if the “C1A01–A2” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1A01–A2” detected as the current malfunction?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End
CHECK ADAS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit of ADAS control unit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>Replace the ADAS control unit. Refer to Removal and Installation.
NO>>Repair or replace the malfunctioning parts.
C1a00-44 Control Unit
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A00-44
CONTROL UNIT
(Control unit)
Diagnosis condition
When engine is running
Signal (terminal)
—
Threshold
ADAS control unit internal malfunction
Diagnosis delay time
1 second or less
POSSIBLE CAUSEADAS control unitFAIL-SAFEThe following systems are canceled:
Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode
Automatic Emergency Braking (AEB) with pedestrian detection
Automatic Emergency Braking (AEB)
Intelligent Forward Collision Warning (I-FCW)
Lane Departure Warning (LDW)
Intelligent Lane Intervention (I-LI)
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
Rear Automatic Braking (RAB)
Traffic Sign Recognition (TSR)
Intelligent Drive Alertness (I-DA)
Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Start the engine...
C1a03-29 Vhcl Speed Se Circ
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A03-29
VHCL SPEED SE CIRC
(Nissan Murano Vehicle speed sensor circuit)
Diagnosis condition
When engine is running
When MAIN switch of ICC system is ON
Signal (terminal)
—
Threshold
If the Nissan Murano vehicle speed signal (wheel speed) from ABS actuator and electric unit (control unit) and the CVT vehicle speed sensor signal (output shaft revolution signal) from TCM, received by the ADAS control unit via CAN communication, are inconsistent
Diagnosis delay time
1 second or less
POSSIBLE CAUSE
Wheel speed sensor
ABS actuator and electric unit (control unit)
Nissan Murano Vehicle speed sensor CVT (output speed sensor)
TCM
ADAS control unit
FAIL-SAFEThe following systems are canceled:
Vehicle-to-vehicle distance control mode
Automatic Emergency Braking (AEB) with pedestrian detection
Automatic Emergency Braking (AEB)
Intelligent Forward Collision Warning (I-FCW)
Lane Departure Warning (LDW)
Intelligent Lane Intervention (I-LI)
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
Rear Automatic Braking (RAB)
Confirmation Procedure
CHECK DTC PRIORITY
If DTC “C1A03–29” is displayed with DTC “U1000–01” or “C1A04–97”, first diagnose the DTC “U1000–01” or “C1A04–97”...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: U1300 Av Comm Circuit
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition U1300–01 AV communication circuit (AV communication circuit) Diagnosis condition When ignition switch is ON. Signal (terminal) — Threshold — Diagnosis delay time — POSSIBLE CAUSE AV communication circuit AV control unit Combination meter FAIL-SAFEAV communication is inoperative DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...
Nissan Murano (Z52) 2015-2024 Service Manual: Warning Function
System Description OPERATION DESCRIPTIONThe warning functions are as per the following items and are given to the user as warning information and warnings using combinations of Intelligent Key warning buzzer, combination meter buzzer, KEY warning lamp and information display in combination meter: Intelligent Key system malfunction OFF position warning P position warning Take away warning Door lock operation warning Engine start information Intelligent Key low battery warning Key ID warning Key ID verification information OPERATION CONDITIONOnce the following condition from below is established, alert or warning is executed: Warning/Information functions Operation procedure Intelligent Key system malfunction When a malfunction is detected on BCM, “KEY” warning lamp illuminates...
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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.
