Nissan Juke Service and Repair Manual : Steering switch signal a circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Check continuity between audio unit harness connector and spiral cable harness connector.
3. Check continuity between audio unit harness connector and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace spiral cable. Refer to SR-16, "Exploded View".
3.CHECK AUDIO UNIT VOLTAGE
1. Connect audio unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace audio unit. Refer to AV-38, "Removal and Installation".
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to AV-28, "Component Inspection".
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace steering switch. Refer to AV-44, "Exploded View".
Component Inspection
Measure the resistance between the steering switch connector.
Standard
Microphone signal circuit
Description
Power is supplied from audio unit to microphone. The microphone transmits the
sound voice to the audio unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN AUDIO UNIT AND MICROPHONE C ...
Steering switch signal B circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL B CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Chec ...
Other materials:
B26FA cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B26FA is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B26FA is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, "D ...
Malfunction indicator
Component Function Check
1.CHECK MI FUNCTION
1. Turn ignition switch ON.
2. Make sure that MI lights up.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-1019, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK CAN COMMUNICATION LINE
Refer to LAN ...
Malfunction indicator lamp
Component Function Check
1.CHECK MIL FUNCTION
1. Turn ignition switch ON.
2. Check that MIL lights up.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-436, "Diagnosis Procedure".
Diagnosis Procedure INFOID:0000000006547250
1.CHECK DTC
Che ...