2001 NISSAN ALMERA Service Manual

Page 2457 of 2898

NISSAN ALMERA 2001  Service 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 2458 of 2898

NISSAN ALMERA 2001  Service 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. 16 or 23.
RHA765H
Continuity should exist.
I

Page 2459 of 2898

NISSAN ALMERA 2001  Service 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?
NHA487
YesorNo
Ye s©GO TO 13.
No©GO TO 12.

Page 2460 of 2898

NISSAN ALMERA 2001  Service Manual 13 CHECK HEATER CONTROL PANEL CIRCUIT
Check circuit continuity between heater control panel harness terminal No. 8 and 18.
NHA489
Continuity should exist.
If OK, check harness for short.
OK or NG
OK©

Page 2461 of 2898

NISSAN ALMERA 2001  Service Manual 16 CHECK BODY GROUND CIRCUIT
Check circuit continuity between heater control panel harness terminal No. 9 or 13 and body ground.
RHA771H
Continuity should exist.
If OK, check harness for short.
OK or

Page 2462 of 2898

NISSAN ALMERA 2001  Service 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

Page 2463 of 2898

NISSAN ALMERA 2001  Service Manual 6 CHECK COIL SIDE CIRCUIT OF A/C RELAY
Do approx. 12 volts exist between ECM harness terminal No. 15 or 204 and body ground?
RHA772H
YesorNo
Ye s©GO TO 8.
No©Disconnect A/C relay. Disconnect ECM har

Page 2464 of 2898

NISSAN ALMERA 2001  Service Manual 8 CHECK VOLTAGE FOR ECM
Do approx. 12 volts exist between ECM harness terminal No. 21 or 403 and body ground?
RHA774H
YesorNo
Ye s©GO TO 9.
No©Check ECM. Refer to EC-164 (QG), EC-659 (YD), ªECM Ter