Page 945 of 2493
Wiring DiagramNJEC0705
YEC016A
DTC P1337 P2´DTC PULSE SIGYD
Wiring Diagram
EC-649
Page 947 of 2493
4 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0462
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-559.
OK or NG
OK©Replace electronic control fuel injection pump.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1337 P2´DTC PULSE SIGYD
Diagnostic Procedure (Cont'd)
EC-651
Page 951 of 2493
Wiring DiagramNJEC0698
YEC016A
DTC P1341 P1´CAM POS SENYD
Wiring Diagram
EC-655
Page 953 of 2493
4 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0462
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-559.
OK or NG
OK©Replace electronic control fuel injection pump.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1341 P1´CAM POS SENYD
Diagnostic Procedure (Cont'd)
EC-657
Page 957 of 2493
Wiring DiagramNJEC0712
YEC016A
DTC P1600 P3´PUMP COMM LINEYD
Wiring Diagram
EC-661
Page 959 of 2493
4 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0462
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-559.
OK or NG
OK©Replace electronic control fuel injection pump.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1600 P3´PUMP COMM LINEYD
Diagnostic Procedure (Cont'd)
EC-663
Page 963 of 2493
Wiring DiagramNJEC0747
YEC018A
DTC P1620 ECM RLYYD
Wiring Diagram
EC-667
Page 964 of 2493
Diagnostic ProcedureNJEC0748
1 CHECK ECM POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM relay. (For ECM relay location, refer to ªEngine Control Component Parts Locationº.)
3. Check voltage between ECM terminals 1, 6 and ground with CONSULT-II or tester.
SEF399Y
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
1. 20A fuse
2. 10A fuse
3. Harness for open and short between ECM relay and battery
©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK ECM INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals 107, 108, 109 and ECM relay terminal 7. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
1. Harness connectors E75, F36
2. Harness for open and short between ECM and ECM relay
©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 325 and ECM relay terminal 2. Refer to Wiring Diagram.
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 7.
NG©GO TO 6.
DTC P1620 ECM RLYYD
Diagnostic Procedure
EC-668
