Sentra L4-2.0L (MR20DE) (2010)
1. Start engine.
2. Listen to each fuel injector operating sound.
Clicking noise should be heard.
OK or NG
OK - INSPECTION END
NG - GO TO 3.
3.CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuel injector (1) harness connector.
3. Turn ignition switch ON.
4. Check voltage between fuel injector terminal 1 and ground with
CONSULT-III or tester.
Voltage: Battery voltage
OK or NG
OK - GO TO 5.
NG - GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
-
Harness connectors E3, F2
-
IPDM E/R harness connector E45
-
10 A fuse
-
Harness for open or short between fuel injector and fuse
-
Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK FUEL INJECTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT