Nissan Juke Service and Repair Manual : ASCD main switch
Component Function Check
1.CHECK ASCD MAIN SWITCH FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select “ENGINE” using CONSULT-III.
3. Select “MAIN SW” in “DATA MONITOR” mode.
4. Check “MAIN SW” indication under the following condition.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground under the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Go to EC-768, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E21 and E38. Refer to Ground Inspection in GI-44, "Circuit Inspection".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ASCD MAIN SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination switch (spiral cable) harness connector.
3. Turn ignition switch ON.
4. Check the voltage between combination switch harness connector and ground.
5. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
• 10 A fuse (No. 3)
• Combination switch (spiral cable)
• Harness for open and short between combination switch and fuse
>> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK ASCD MAIN SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check the continuity between ECM harness connector and combination switch harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E105, M77 • Combination switch (spiral cable) • Harness for open and short between ECM and combination switch
>> Repair open circuit, short to ground or short to power in harness or connectors.
6.CHECK ASCD STEERING SWITCH
Refer to EC-769, "Component Inspection (ASCD STEERING SWITCH)".
Is the inspection result normal? YES >> GO TO 7.
NO >> Replace ASCD steering switch.
7.CHECK INTERMITTENT INCIDENT
1. Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace IPDM E/R.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
Component Inspection (ASCD STEERING SWITCH)
1.CHECK ASCD STEERING SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect combination switch (spiral cable) harness connector.
3. Check the continuity between combination switch harness connector terminals under the following condition.
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace ASCD steering switch.
2.CHECK ASCD STEERING SWITCH-II
Check resistance between combination switch (spiral cable) harness connector terminals under the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace ASCD steering switch.
ASCD indicator
Component Function Check
1.CHECK ASCD INDICATOR FUNCTION
Check ASCD indicator under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-7 ...
Clutch pedal position switch
Component Function Check
1.CHECK CLUTCH PEDAL POSITION SWITCH FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select “ENGINE” using CONSULT-III.
3. Select “CLUTCH P/P SW” in “DATA MONITO ...
Other materials:
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an
interview utilizing STC-17, "Diagnostic
Work Sheet" and reproduce symptoms as well as fully understand it. Ask customer
about ...
P2120 APP sensor
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit
Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or ...
Component parts
Component Parts Location
ENGINE ROOM COMPARTMENT
Top View
1. Priming pump
2. Turbocharger boost control solenoid
valve
3. Cooling fan motor
4. Refrigerant pressure sensor
5. IPDM E/R
6. ECM
7. Mass air flow sensor (with intake air
temperature sensor)
8. Electric throttle control act ...