Infiniti QX56 (JA60). Manual — part 1035
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< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (IPDM E/R)
ACTIVE TEST
Test item
TAIL&CLR REQ
[OFF/ON]
×
Displays the status of the position light request signal received from BCM via CAN
communication.
HL LO REQ
[OFF/ON]
×
Displays the status of the low beam request signal received from BCM via CAN
communication.
HL HI REQ
[OFF/ON]
×
Displays the status of the high beam request signal received from BCM via CAN
communication.
FR FOG REQ
[OFF/ON]
×
Displays the status of the front fog lamp request signal received from BCM via
CAN communication.
FR WIP REQ
[STOP/1LOW/LOW/HI]
×
Displays the status of the front wiper request signal received from BCM via CAN
communication.
WIP AUTO STOP
[STOP P/ACT P]
×
Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[OFF/Block]
×
Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
ST RLY REQ
[OFF/ON]
Displays the status of the starter request signal received from ECM via CAN com-
munication.
IGN RLY
[OFF/ON]
×
Displays the status of the ignition relay judged by IPDM E/R.
RR DEF REQ
[OFF/ON]
×
Displays the status of the rear defogger request signal received from AV control
unit via CAN communication.
OIL P SW
[OPEN/CLOSE]
Displays the status of the oil pressure switch judged by IPDM E/R.
DTRL REQ
[OFF]
Displays the status of the daytime light request signal received from BCM via CAN
communication.
HOOD SW
[OPEN/CLOSE]
Displays the status of the hood switch judged by IPDM E/R.
THFT HRN REQ
[OFF/ON]
Displays the status of the theft warning horn request signal received from BCM
via CAN communication.
HORN CHIRP
[OFF/ON]
Displays the status of the horn reminder signal received from BCM via CAN com-
munication.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
Test item
Operation
Description
REAR DEFOGGER
OFF
OFF
ON
Operates rear window defogger relay.
FRONT WIPER
OFF
OFF
LO
Operates the front wiper relay.
HI
Operates the front wiper relay and front wiper high relay.
MOTOR FAN
1
OFF
2
OFF
3
Operates the cooling fan relay.
4
Operates the cooling fan relay.
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DIAGNOSIS SYSTEM (IPDM E/R)
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< FUNCTION DIAGNOSIS >
C
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EXTERNAL LAMPS
OFF
OFF
TAIL
Operates the tail lamp relay.
LO
Operates the headlamp low relay.
HI
Operates the headlamp low relay and the headlamp high LH/RH relays at 1 sec-
ond intervals.
FOG
Operates the front fog lamp relay
HORN
ON
Operates horn relay for 20 ms.
Test item
Operation
Description
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< COMPONENT DIAGNOSIS >
WIPER AND WASHER FUSE
COMPONENT DIAGNOSIS
WIPER AND WASHER FUSE
Description
INFOID:0000000005146770
Fuse list
Diagnosis Procedure
INFOID:0000000005146771
1.
CHECK FUSES
Check that the following fuses are not blown.
Is the fuse blown?
YES
>> Replace the fuse after repairing the applicable circuit.
NO
>> The fuse is normal.
Unit
Location
Fuse No.
Capacity
Front wiper motor
IPDM E/R
39
30 A
Front and rear washer motor
Fuse block (J/B)
9
10 A
Unit
Location
Fuse No.
Capacity
Front wiper motor
IPDM E/R
39
30 A
Front and rear washer motor
Fuse block (J/B)
9
10 A
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FRONT WIPER MOTOR LO CIRCUIT
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< COMPONENT DIAGNOSIS >
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FRONT WIPER MOTOR LO CIRCUIT
Component Function Check
INFOID:0000000005146772
1.
CHECK FRONT WIPER LO OPERATION
IPDM E/R AUTO ACTIVE TEST
1. Start IPDM E/R auto active test. Refer to
PCS-12, "Diagnosis Description"
2. Check that the front wiper operates at the LO operation.
CONSULT-III ACTIVE TEST
1. Select "FRONT WIPER" of IPDM E/R active test item.
2. While operating the test item, check front wiper operation.
Is front wiper (LO) operation normal?
YES
>> Front wiper motor LO circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005146773
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT WIPER MOTOR FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuse is not blown.
Is the fuse blown?
YES
>> GO TO 2
NO
>> GO TO 3
2.
CHECK FRONT WIPER MOTOR (LO) SHORT CIRCUIT
1. Disconnect IPDM E/R and front wiper motor.
2. Check continuity between IPDM E/R harness connector and
ground.
Does continuity exist?
YES
>> Repair or replace harness.
NO
>> Replace the fuse. (Replace IPDM E/R if the fuse is
blown again.)
3.
CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
LO
: Front wiper (LO) operation
OFF
: Stop the front wiper.
Unit
Location
Fuse No.
Capacity
Front wiper motor
IPDM E/R
39
30 A
IPDM E/R
Ground
Continuity
Connector
Terminal
E121
32
No
ALLIA0447ZZ
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