2001 NISSAN PICK-UP Repair Manual

VC
Note
Check circuit continuity between thermo
control amp. harness terminal No.
V3
and triple-pressure switch harness termi-
nal No.
V1.
Continuity should exist.
If OK, check harness for short.
OK
CHECK TRIPLE-PRESSURE SWITCH.
Refer to HA-22 in D22 SERVICE
MANUAL, Publication No. SM9E-
D22BG0.
OK
cNG
Replace triple-pressure
switch.
Note
Check circuit continuity between triple-
pressure switch harness terminal No.
V4
and ECM harness terminal No.V21orV46.
Continuity should exist.
If OK, check harness for short.
OK
Replace ECM.
Note:
If the result is NG or No after checking circuit continuity,
repair harness or connector.
ELECTRICAL COMPONENT INSPECTION
A/C Relay
Check continuity between terminal Nos. 3 and 5.
Conditions Continuity
12V direct current supply between
terminal Nos. 1 and 2Yes
No current supply No
If NG, replace relay.
RHA328GC
RHA340GC
RHA638H
.
. .
.
.
TROUBLE DIAGNOSESMANUAL
Magnet Clutch (Cont'd)
HA-3019

Circuit Diagram Ð A/C, A Ð
GHA045A
TROUBLE DIAGNOSESAUTO
HA-3020

Wiring Diagram Ð A/C, A Ð
GHA046A
TROUBLE DIAGNOSESAUTO
HA-3021

GHA047A
TROUBLE DIAGNOSESAUTO
Wiring Diagram Ð A/C, A Ð (Cont'd)
HA-3022

GHA048A
TROUBLE DIAGNOSESAUTO
Wiring Diagram Ð A/C, A Ð (Cont'd)
HA-3023

GHA049A
TROUBLE DIAGNOSESAUTO
Wiring Diagram Ð A/C, A Ð (Cont'd)
HA-3024

GHA050A
TROUBLE DIAGNOSESAUTO
Wiring Diagram Ð A/C, A Ð (Cont'd)
HA-3025

Magnet Clutch
TROUBLE DIAGNOSIS PROCEDURE FOR MAGNET CLUTCH
SYMPTOM:
+Magnet clutch does not engage.
Inspection flow
*1: HA-2035
*2: HA-2036
*3: HA-2038
*4: HA-2040
*5: HA-2080*6: HA-2082
*7: HA-2084
*8: HA-2087
*9: HA-2052
*10: HA-2041*11: HA-3027
*12: HA-27 in D22 Service
Manual, Publication No.
SM8E-0D22E0E
Note: *1 - *10: Refer to D22 SERVICE MANUAL, Publication No. SM9E-D22BE0E.
SHA341FA
TROUBLE DIAGNOSESAUTO
HA-3026