2001 NISSAN ALMERA N16 Electronic Repair Manual

Page 2033 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual Magnet Clutch
TROUBLE DIAGNOSIS PROCEDURE FOR MAGNET CLUTCH=NJHA0155SYMPTOM:
+Magnet clutch does not operate when A/C switch and fan switch are ON.
INSPECTION FLOW
NHA387
*1: HA-99
*2: HA-62*3: HA-40

Page 2034 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual MAGNET CLUTCH CIRCUIT (FOR QG ENGINE)=NJHA0156SYMPTOM:
+Magnet clutch does not engage when A/C switch and fan
switch are ON.
1 CHECK POWER SUPPLY FOR COMPRESSOR
Disconnect compressor harness connector

Page 2035 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 4 CHECK POWER SUPPLY FOR A/C RELAY
Disconnect A/C relay.
Do approx. 12 volts exist between A/C relay harness terminal Nos. 1, 5 and body ground?
RHA635H
YesorNo
Ye s©GO TO 5.
No©Check power supply c

Page 2036 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 7 CHECK CIRCUIT CONTINUITY BETWEEN A/C RELAY AND ECM HARNESS
Check circuit continuity between A/C relay harness terminal No. 2 and ECM harness terminal No. 23.
NHA511
Continuity should exist.
If OK, c

Page 2037 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 11 CHECK POWER SUPPLY FOR HEATER CONTROL PANEL (A/C SWITCH)
Do approx. 12 volts exist between heater control panel harness terminal No. 7 and body ground?
NHA513
YesorNo
Ye s©GO TO 13.
No©GO TO 12.

Page 2038 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 13 CHECK HEATER CONTROL PANEL CIRCUIT
Check circuit continuity between heater control panel harness terminal No. 8 and 18.
NHA515
Continuity should exist.
If OK, check harness for short.
OK or NG
OK©

Page 2039 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 16 CHECK BODY GROUND CIRCUIT
Check circuit continuity between heater control panel harness terminal No. 9 or 13 and body ground.
NHA506
Continuity should exist.
If OK, check harness for short.
OK or N

Page 2040 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 3 CHECK CIRCUIT CONTINUITY BETWEEN A/C RELAY AND COMPRESSOR HARNESS
Check circuit continuity between A/C relay harness terminal No. 3 and compressor harness terminal No. 1.
RHA634H
Continuity should e