2001 NISSAN ALMERA TINO wiring diagram

MODELS WITH ECM IN CABINNLEC0466S02
YEC909
MI & DATA LINK CONNECTORSQG18DE
Wiring Diagram (Cont'd)
EC-546

Main Power Supply and Ground Circuit
WIRING DIAGRAM (MODELS WITH ECM IN ENGINE
COMPARTMENT)
NLEC1378
YEC686
TROUBLE DIAGNOSIS FOR POWER SUPPLYSR20DE
Main Power Supply and Ground Circuit
EC-671

WIRING DIAGRAM (MODELS WITH ECM IN CABIN)NLEC1931
YEC911
TROUBLE DIAGNOSIS FOR POWER SUPPLYSR20DE
Main Power Supply and Ground Circuit (Cont'd)
EC-672

2 CHECK ECM POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ªOFFº and then ªONº.
2. Check voltage between ECM terminal 43 and ground with CONSULT-II or tester.
SEF291X
OK or NG
OK©GO TO 4.
NG©GO TO 3.
3 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors M50, F38 (where fitted)
+Harness connectors M72, F44 (where fitted)
+Fuse block (J/B) connector M1, E108 (where fitted)
+10A fuse
+Harness for open or short between ECM and ignition switch
©Repair harness or connectors.
4 CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals 48, 57, 106, 108 and engine ground.
Refer to WIRING DIAGRAM.
Continuity should exist.
4. Also check harness for short to power.
OK or NG
OK©GO TO 6.
NG©GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
+Joint connector-2 (where fitted)
+Joint connector F46 (where fitted)
+Harness for open between ECM and engine ground
©Repair open circuit or short to power in harness or connectors.
TROUBLE DIAGNOSIS FOR POWER SUPPLYSR20DE
Main Power Supply and Ground Circuit (Cont'd)
EC-674

12 CHECK ECM POWER SUPPLY CIRCUIT-IV
1. Disconnect ECM relay.
(For ECM relay location, refer to ªEngine Control Component Parts Locationº.)
2. Check voltage between ECM relay terminal 3 and ground with CONSULT-II or tester.
SEF295X
OK or NG
OK©GO TO 14.
NG©GO TO 13.
13 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors E76, F36 (where fitted)
+Harness for open or short between ECM relay and 10A fuse
©Repair open circuit or short to ground or short to power in harness or connectors.
14 CHECK HARNESS CONTINUITY BETWEEN ECM RELAY AND ECM FOR OPEN AND SHORT
1. Check harness continuity between ECM terminals 110, 112 and ECM relay terminal 5.
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 16.
NG©GO TO 15.
15 DETECT MALFUNCTIONING PART
Check the following.
+Joint connector-3 (where fitted)
+Harness connectors E76, F36 (where fitted)
+Joint connector F46 (where fitted)
+Harness for open or short between ECM and ECM relay
©Repair open circuit or short to ground or short to power in harness or connectors.
TROUBLE DIAGNOSIS FOR POWER SUPPLYSR20DE
Main Power Supply and Ground Circuit (Cont'd)
EC-677

16 CHECK ECM RELAY
1. Apply 12V direct current between ECM relay terminals 1 and 2.
2. Check continuity between relay terminals 3 and 5, 6 and 7.
SEF296X
OK or NG
OK©GO TO 17.
NG©Replace ECM relay.
17 CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals 48, 57, 106, 108 and engine ground.
Refer to WIRING DIAGRAM.
Continuity should exist.
4. Also check harness for short to power.
OK or NG
OK©GO TO 19.
NG©GO TO 18.
18 DETECT MALFUNCTIONING PART
Check the following.
+Joint connector-2 (where fitted)
+Joint connector F46 (where fitted)
+Harness for open between ECM and engine ground
©Repair open circuit or short to power in harness or connectors.
19 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-670.
©INSPECTION END
TROUBLE DIAGNOSIS FOR POWER SUPPLYSR20DE
Main Power Supply and Ground Circuit (Cont'd)
EC-678

Wiring DiagramNLEC1387MODELS WITH ECM IN ENGINE COMPARTMENTNLEC1387S01
YEC687
DTC P0100 MASS AIR FLOW SENSOR (MAFS)SR20DE
Wiring Diagram
EC-682

MODELS WITH ECM IN CABINNLEC1387S02
YEC912
DTC P0100 MASS AIR FLOW SENSOR (MAFS)SR20DE
Wiring Diagram (Cont'd)
EC-683