Nissan Juke Service and Repair Manual : S terminal circuit
Description
The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P or N position for CVT models or the clutch pedal is depressed for M/T models.
Diagnosis Procedure
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following
procedure.
1. Remove fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
1.CHECK “S” TERMINAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect starter motor connector.
3. Shift selector lever to “P” or “N” position. (CVT models) Keep depressing clutch pedal fully. (M/T models) 4. Check voltage between starter motor harness connector and ground.
Is the inspection result normal? YES >> “S” terminal circuit is OK. Further inspection is necessary. Refer to STR-14, "Work Flow".
NO >> GO TO 2.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect IPDM E/R connector.
2. Check continuity between starter motor harness connector and IPDM E/R harness connector.
Is the inspection result normal? YES >> Further inspection is necessary. Refer to STR-14, "Work Flow".
NO >> Repair the harness.
B terminal circuit
Description
The “B” terminal is constantly supplied with battery power.
Diagnosis Procedure
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following
procedure.
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Symptom diagnosis
STARTING SYSTEM
Symptom Table
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Other materials:
Steering switch ground circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Check continuity between audio unit harness connector and spiral cable
harness connector.
Is t ...
Precautions when starting and driving
WARNING
• Do not leave children or adults who would normally require the support
of others alone in your vehicle. Pets should not be left alone either. They could
accidentally injure themselves or others through inadvertent operation of the vehicle.
Also, on hot, sunny days, temperature ...
Fuel pressure control
Fuel pressure control : System Diagram
Fuel pressure controlL : System Description
INPUT/OUTPUT SIGNAL CHART
*: ECM determines the start signal status by the engine speed signal and
battery voltage.
CVT models
System Description
Low fuel pressure control
• The low fuel pressure pump i ...