2001 NISSAN ALMERA N16 Electronic Repair Manual

Page 2041 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 6 CHECK COIL SIDE CIRCUIT OF A/C RELAY
Do approx. 12 volts exist between ECM harness terminal No. 204 and body ground?
NHA517
YesorNo
Ye s©GO TO 8.
No©Disconnect A/C relay. Disconnect ECM harness co

Page 2042 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 8 CHECK VOLTAGE FOR ECM
Do approx. 12 volts exist between ECM harness terminal No. 403 and body ground?
NHA519
YesorNo
Ye s©GO TO 9.
No©Check ECM. Refer to EC-132 (QG), EC-554 (YD), ªECM Terminals

Page 2043 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 11 CHECK CIRCUIT CONTINUITY BETWEEN DUAL-PRESSURE SWITCH AND HEATER CONTROL PANEL
(A/C SWITCH)
Check circuit continuity between dual-pressure switch harness terminal No. 1 and heater control panel har

Page 2044 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual 14 CHECK FAN SWITCH
Refer to HA-60.
OK or NG
OK©GO TO 15.
NG©Replace fan switch.
15 CHECK BODY GROUND CIRCUIT
Check circuit continuity between heater control panel harness terminal No. 13 and body g

Page 2045 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual RHA639H
SHA315FD
Refrigerant Pressure SensorNJHA0192S02Make sure that the A/C refrigerant pressure and the sensor output
voltage are within the specified range as shown in the A/C operat-
ing conditio

Page 2046 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual Insufficient Cooling
TROUBLE DIAGNOSIS PROCEDURE FOR INSUFFICIENT COOLING=NJHA0148SYMPTOM:
+Insufficient Cooling.
INSPECTION FLOW
NHA390
*1: HA-48
*2: HA-78
*3: HA-75*4: HA-40
*5: HA-39
*6: HA-89*7: E

Page 2047 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual PERFORMANCE TEST DIAGNOSESNJHA0149
SHA419F
*1: HA-77
*2: HA-77*3: HA-78 *4: HA-49
TROUBLE DIAGNOSES
Insufficient Cooling (Contd)
HA-75

Page 2048 of 2493

NISSAN ALMERA N16 2001  Electronic Repair Manual SHA361FA
*1: HA-92 *2: HA-54 *3: EM-15 (QG),
EM-84 (YD)
TROUBLE DIAGNOSES
Insufficient Cooling (Contd)
HA-76