Infiniti Q45. Manual - part 124
TROUBLE DIAGNOSIS
ATC-91
C
D
E
F
G
H
I
K
L
M
A
B
ATC
11.
CHECK REFRIGERANT PRESSURE SENSOR CIRCUIT
Refer to
EC-744, "REFRIGERANT PRESSURE SENSOR"
.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace the malfunctioning part(s).
12.
CHECK CIRCUIT CONTINUITY BETWEEN ECM AND AUTO AMP.
1.
Turn ignition switch OFF.
2.
Disconnect ECM connector and auto amp. connector.
3.
Check continuity between ECM harness connector F101 termi-
nal 96 and auto amp. harness connector M120 terminal 29.
OK or NG
OK
>> Replace auto amp.
NG
>> Repair harness or connector.
13.
CHECK CIRCUIT CONTINUITY BETWEEN ECM AND AUTO AMP.
1.
Turn ignition switch OFF.
2.
Disconnect ECM connector and auto amp. connector.
3.
Check continuity between ECM harness connector F101 termi-
nal 110 and auto amp. harness connector M120 terminal 22.
OK or NG
OK
>> Replace auto amp.
NG
>> Repair harness or connector.
14.
CHECK CIRCUIT CONTINUITY BETWEEN ECM AND AUTO AMP.
1.
Turn ignition switch OFF.
2.
Disconnect ECM connector and auto amp. connector.
3.
Check continuity between ECM harness connector F101 termi-
nal 30 and auto amp. harness connector M119 terminal 18.
OK or NG
OK
>> Check ECM.
NG
>> Repair harness or connector.
96 – 29
: Continuity should exist.
RJIA3191E
110 – 22
: Continuity should exist.
RJIA3192E
30 – 18
: Continuity should exist.
RJIA3193E