Nissan Murano: Charging System :: Dtc/circuit Diagnosis / B Terminal Circuit
Diagnosis Procedure
CHECK TERMINAL "B" CONNECTION
-
Ignition switch OFF.
-
Verify terminal “B” is clean and tight.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair terminal “B” connection. Confirm repair by performing system test using 165-DSS-5000P. Refer to the applicable instruction manual for proper testing procedures.
CHECK TERMINAL "B" CIRCUIT
Check voltage between generator connector and ground.
| (+) | (—) |
Voltage
(Approx.) |
| Generator |
| Connector | Terminal |
| F6 |
1 |
Ground |
Battery voltage |
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Check harness for open between generator and fusible link.
CHECK TERMINAL "B" CONNECTION (VOLTAGE DROP TEST)
-
Start engine, engine should be running at idle and warm.
-
Check voltage between battery positive terminal and generator connector.
| (+) | (—) |
Voltage
(Approx.) |
| Generator |
| Connector | Terminal |
| F6 |
1 |
Battery positive terminal |
Less than 0.2 V |
Is the inspection result normal?
YES>>
Terminal “B” circuit is normal. Refer to Work Flow (With 165-DSS-5000P), or (Without 165-DSS-5000P).
NO>>
Check harness between battery and generator for high resistance.
Diagnosis Procedure
CHECK BATTERY TERMINAL CONNECTIONS
Check if battery terminals are clean and tight.
Is the inspection result normal?
YES>>
GO TO 2...
Diagnosis Procedure
CHECK "L" TERMINAL CONNECTION
Ignition switch OFF.
Check if "L" terminal is clean and tight.
Is the inspection result normal?
YES>>
GO TO 2...
Other information:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A04-97
ABS/TCS/VDC CIRC
(ABS/TCS/VDC circuit)
Diagnosis condition
When engine is running
When MAIN switch of ICC system is ON
Signal (terminal)
—
Threshold
If a malfunction occurs in the VDC/TCS/ABS system
Diagnosis delay time
60 seconds or more
POSSIBLE CAUSEABS actuator and electric unit (control unit)FAIL-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)
Confirmation Procedure
CHECK DTC PRIORITY
If DTC “C1A04–97” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”...
Diagnosis Procedure
CHECK REAR POWER WINDOW SWITCH LH SERIAL LINK CIRCUIT
Check rear power window switch LH serial link circuit.
Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts...