Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit
Regarding Wiring Diagram information, refer to Wiring Diagram.
CHECK FUSES
Check that the following fuse is not blown:
| Signal name | Fuse No. |
|---|---|
| Ignition power supply | 29 (10A) |
Is the fuse blown?
YES>>Replace the blown fuse after repairing the affected circuit.
NO>>GO TO 2.
CHECK ADAS CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between ADAS control unit harness connector and ground.
| Terminal | Condition |
Voltage (Approx.) |
||
| (+) | (–) | |||
| ADAS control unit | Ground | Ignition switch | ||
| Connector | Terminal | |||
| M182 | 16 | OFF | 0 V | |
| ON | Battery voltage | |||
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair the ADAS control unit power supply circuit.
CHECK ADAS CONTROL UNIT GROUND CIRCUIT
-
Turn the ignition switch OFF.
-
Disconnect the ADAS control unit connector.
-
Check for continuity between ADAS control unit harness connector and ground.
ADAS control unit Ground Continuity Connector Terminal M182 2 Yes
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair the ADAS control unit ground circuit.
U1507-87 Lost Comm (side Rdr R)
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
U1507-87
LOST COMM(SIDE RDR R)
[Lost communication (Side radar right)]
Diagnosis condition
When engine is running
When Blind Spot Warning system is ON
Signal (terminal)
ITS communication signal
Threshold
ADAS control unit cannot receive ITS communication signal from side radar RH
Diagnosis delay time
2 seconds or more
POSSIBLE CAUSE
Side radar RH right/left switching signal circuit
ITS communication system
Side radar RH
FAIL-SAFEThe following systems are canceled:
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
Confirmation Procedure
DTC CONFIRMATION PROCEDURECHECK DTC PRIORITY
If DTC “U1507-87” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”...
Removal and Installation. Adas Control Unit 2
Removal and Installation
REMOVALNOTE:
Before replacing ADAS control unit, perform “Before Replace ECU” of “Read / Write Configuration” to save or print current Nissan Murano vehicle specification...
Other information:
Nissan Murano (Z52) 2015-2024 Owners Manual: Memory storage function (switch)
Use the following process to manually store the two memory positions in the switch: The vehicle should be stopped while setting the memory. Adjust the driver’s seat, steering columnand outside mirrors to the desired positions by manually operating each adjusting switch...
Nissan Murano (Z52) 2015-2024 Service Manual: B2128 Uart Comm
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition B2128 UART COMM (Universal asynchronous receiver transmitter communication) Diagnosis condition — Signal (terminal) — Threshold Communication between driver seat control unit and automatic drive positioner control unit is interrupted...
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