Nissan Juke Service and Repair Manual : P1205 exhaust fuel injector
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK EXHAUST FUEL INJECTOR POWER SUPPLY CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect exhaust fuel injector harness connector.
3. Turn ignition switch ON.
4. Check the voltage between exhaust fuel injector harness connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F1 • Harness for open or short between IPDM E/R and exhaust fuel injector
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK FUEL INJECTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between exhaust fuel injector harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK EXHAUST FUEL INJECTOR
Refer to EC-983, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace exhaust fuel injector.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.
>> INSPECTION END
Component Inspection
1.CHECK EXHAUST FUEL INJECTOR
1. Turn ignition switch OFF.
2. Disconnect exhaust fuel injector harness connector.
3. Check resistance between exhaust fuel injector terminals as follows.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace exhaust fuel injector.
P0833 CPP switch
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK CLUTCH PEDAL POSITION SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect clutch pedal position switch ...
P1525 communication circuit for ASCD and speed limiter
DTC Logic
DTC DETECTION LOGIC
...
Other materials:
Steering switch signal B circuit
Description
Transmits the steering switch signal to NAVI control unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL B CIRCUIT
1. Disconnect NAVI control unit connector and spiral cable connector.
2. Check continuity between NAVI control unit harness connector and spiral cable
harness co ...
P2A00 A/F sensor 1
DTC Logic
DTC DETECTION LOGIC
To judge the malfunction, the A/F signal computed by ECM from the A/F sensor
1 signal is monitored so it will
not shift to LEAN side or RICH side.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always ...
Cooling fan control
Cooling fan control : System Diagram
Cooling fan control : System Description
INPUT/OUTPUT SIGNAL CHART
*: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, eng ...