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 “MAIN SW” in “DATA MONITOR” mode of “ENGINE” using CONSULT-III.
3. Check “MAIN SW” indication as per the following condition.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground as per the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-430, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK ASCD MAIN SWITCH POWER SUPPLY
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.
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform the trouble diagnosis for power supply circuit.
2.CHECK ASCD MAIN SWITCH INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between ECM harness connector and combination switch harness connector.
4. Also check harness for short to ground and to power.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK ASCD STEERING SWITCH
Check the ASCD steering switch. Refer to EC-431, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace ASCD steering switch. Refer to ST-9, "Exploded View".
Component Inspection
1.CHECK ASCD STEERING SWITCH-I
1. Disconnect combination switch (spiral cable) harness connector.
2. Check the continuity between combination switch harness connector terminals as per the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace ASCD steering switch. Refer to ST-9, "Exploded View".
2.CHECK ASCD STEERING SWITCH
1. Disconnect combination switch (spiral cable) harness connector.
2. Check the resistance between combination switch harness connector terminals as per the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace ASCD steering switch. Refer to ST-9, "Exploded View".
Clutch pedal position switch
Component Function Check 1.CHECK FOR CLUTCH PEDAL POSITION SWITCH FUNCTION 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector and ground. Is the inspection result nor ...SPEED LIMITER MAIN SWITCH
Component Function Check 1.CHECK SPEED LIMITER MAIN SWITCH FUNCTION With CONSULT-III 1. Turn ignition switch ON. 2. Select “SL MAIN SW” in “DATA MONITOR” mode of “ENGINE” using CONSULT-III. 3. Ch ...Other materials:
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
1. Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
2. Check operation condition of the function th ...
ECU diagnosis information
ECM
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• ECM is located in the engine room left side near battery.
• When disconnecting ECM harness connector (1), loosen (B) it with
levers as far as they will go as shown in the figure.
2 : ECM
A : Fasten
• Pulse signal is measured by ...