Infiniti QX56 (Z62). Manual — part 1046
PWO-22
< BASIC INSPECTION >
[AC 120 V OUTLET]
DIAGNOSIS AND REPAIR WORK FLOW
>> GO TO 2.
2.
SYMPTOM CHECK
Check the symptom from the customer's information.
>> GO TO 3.
3.
FAIL-SAFE ACTIVATION CHECK
Check that the symptom is applied to the fail-safe activation.
Does the fail-safe activate?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
SYSTEM DIAGNOSIS
Perform the system diagnosis for the system that the fail-safe activates. Specify the malfunctioning part.
>> GO TO 6.
5.
SYMPTOM DIAGNOSIS
Perform the symptom diagnosis. Specify the malfunctioning part.
>> GO TO 6.
6.
MALFUNCTIONING PART REPAIR
Repair or replace the malfunctioning part.
>> GO TO 7.
7.
REPAIR CHECK (OPERATION CHECK)
Check the operation of AC 120 V outlet.
Does it operate normally?
YES
>> INSPECTION END
NO
>> GO TO 3.
PWO
POWER SUPPLY AND GROUND CIRCUIT
PWO-23
< DTC/CIRCUIT DIAGNOSIS >
[AC 120 V OUTLET]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000006257089
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK INVERTER UNIT POWER SUPPLY CIRCUIT
Check voltage between inverter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the inverter unit power supply circuit.
3.
CHECK INVERTER UNIT GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the inverter unit connector.
3.
Check for continuity between inverter unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace the inverter unit ground circuit.
Signal name
Fuse No.
Battery power supply
79
Terminal
Condition
Voltage
(Approx.)
(+)
(–)
Inverter unit
Ground
Ignition switch
Connector
Terminal
M143
4
OFF
Battery voltage
Inverter unit
Ground
Continuity
Connector
Terminal
M143
8
Existed
PWO-24
< DTC/CIRCUIT DIAGNOSIS >
[AC 120 V OUTLET]
AC 120 V OUTLET MAIN SWITCH POWER SUPPLY CIRCUIT
AC 120 V OUTLET MAIN SWITCH POWER SUPPLY CIRCUIT
Diagnosis Procedure
INFOID:0000000006257095
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY FOR AC 120 V OUTLET MAIN SWITCH
1.
Turn ignition switch ON.
2.
Check for voltage between the AC 120 V main switch harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the AC 120 V main switch power supply circuit.
Signal name
Fuse No.
Ignition power supply
3
Terminals
Condition
Voltage
(Approx.)
(+)
(–)
AC 120 V outlet main switch
Ground
Ignition switch
Connector
Terminal
M144
1
OFF
0 V
ON
12 V
PWO
AC 120 V OUTLET MAIN SWITCH INPUT SIGNAL CIRCUIT
PWO-25
< DTC/CIRCUIT DIAGNOSIS >
[AC 120 V OUTLET]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
AC 120 V OUTLET MAIN SWITCH INPUT SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000006257093
1.
CHECK HARNESS BETWEEN INVERTER UNIT AND AC 120 V OUTLET MAIN SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect inverter unit connector and AC 120 V outlet main switch connector.
3.
Check for continuity between the inverter unit harness connector and AC 120 V outlet main switch har-
ness connector.
4.
Check for continuity between inverter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the harnesses or connectors.
2.
CHECK AC 120 V OUTLET MAIN SWITCH INPUT SIGNAL
1.
Connect inverter unit connector and AC 120 V outlet main switch connector.
2.
Turn ignition switch ON.
3.
AC 120 V outlet main switch ON.
4.
Check for voltage between the inverter unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK AC 120 V OUTLET MAIN SWITCH
1.
Turn ignition switch OFF.
2.
Remove AC 120 V outlet main switch.
3.
Check AC 120 V outlet main switch. Refer to
PWO-25, "Component Inspection"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AC 120 V outlet main switch.
Component Inspection
INFOID:0000000006257096
1.
CHECK AC 120 V OUTLET MAIN SWITCH
Check continuity of AC 120 V outlet main switch.
Inverter unit
AC 120 V outlet main switch
Continuity
Connector
Terminal
Connector
Terminal
M143
6
M144
3
Existed
Inverter unit
Ground
Continuity
Connector
Terminal
M143
6
Not existed
Terminals
Condition
Voltage
(Approx.)
(+)
(–)
Inverter unit
Ground
AC 120 V out-
let main
switch
Connector
Terminal
M143
6
OFF
0 V
ON
12 V
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