Infiniti G20 (P11). Manual - part 437
12
CHECK CIRCUIT CONTINUITY BETWEEN A/C RELAY AND ECM
Check circuit continuity between A/C relay harness terminal No. 2 and ECM harness terminal No. 23.
Continuity should exist.
RHA535H
If OK, check harness for short.
OK or NG
OK
©
Check ECM. Refer to EC-134, “ECM Terminals and Reference Value”.
NG
©
Repair harness or connector.
SEF090M
ELECTRICAL COMPONENT INSPECTION
NCHA0068
A/C Relay
NCHA0068S01
Check continuity between terminal Nos. 3 and 5.
Conditions
Continuity
12V direct current supply between terminal Nos. 1 and 2
Yes
No current supply
No
If NG, replace relay.
RHA526H
SHA315F
Refrigerant Pressure Sensor
NCHA0068S03
Make sure that higher A/C refrigerant pressure results in higher
refrigerant-pressure sensor output voltage.
Refer to EC-621, “Diagnostic Procedure”.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
AUTO
Magnet Clutch (Cont’d)
HA-79