Infiniti QX56 (JA60). Manual — part 1023
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< COMPONENT DIAGNOSIS >
C1735 IGNITION SIGNAL
C1735 IGNITION SIGNAL
Description
INFOID:0000000005148227
The BCM monitors the IGN ON signal on the CAN line and compares it to it’s direct IGN ON signal. When
these two signals do not match, the BCM sets C1735.
DTC Logic
INFOID:0000000005148228
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
1. On SELECT DIAG MODE, select the SELF-DIAG RESULT screen.
2. Check display contents on SELF DIAG RESULT screen.
Is C1735 displayed in the self-diagnosis display?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000005148229
MALFUNCTION CODE NO. 54 (DTC C1735)
1.
CAN IGNITION SIGNAL
Check BCM IGN RLY signal with CONSULT-III. Refer to
Are the inspection results normal with the ignition switch ON?
YES
>> GO TO 2.
NO
>> Check CAN system. Refer to
LAN-44, "CAN System Specification Chart"
2.
BCM POWER SUPPLY
Check BCM power supply (ignition ON). Refer to
Is the power supply with the ignition switch ON normal?
YES
>> GO TO 3.
NO
>> Repair power supply as necessary.
3.
DRIVE VEHICLE
Clear DTC and then test drive the vehicle and check the low tire pressure warning lamp.
Does the vehicle operate without any low tire pressure warning lamp?
YES
>> Inspection End.
NO
>> Replace BCM. Refer to
BCS-59, "Removal and Installation"
Special Repair Requirement
INFOID:0000000005315449
Perform preliminary check. Refer to
DTC
CONSULT - III
DTC detecting condition
C1735
IGNITION SIGNAL LINE - BCM/TPMS
BCM has detected a mismatch between IGN ON signals.
BCM (BODY CONTROL MODULE)
WT-21
< ECU DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000005315451
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
AIR COND SW
A/C switch OFF
OFF
A/C switch ON
ON
AUT LIGHT SYS
Outside of the room is dark
OFF
Outside of the room is bright
ON
AUTO LIGHT SW
Lighting switch OFF
OFF
Lighting switch AUTO
ON
BACK DOOR SW
Back door closed
OFF
Back door opened
ON
CARGO LAMP SW
Cargo lamp switch OFF
OFF
Cargo lamp switch ON
ON
CDL LOCK SW
Door lock/unlock switch does not operate
OFF
Press door lock/unlock switch to the LOCK side
ON
CDL UNLOCK SW
Door lock/unlock switch does not operate
OFF
Press door lock/unlock switch to the UNLOCK side
ON
DOOR SW-AS
Front door RH closed
OFF
Front door RH opened
ON
DOOR SW-DR
Front door LH closed
OFF
Front door LH opened
ON
DOOR SW-RL
Rear door LH closed
OFF
Rear door LH opened
ON
DOOR SW-RR
Rear door RH closed
OFF
Rear door RH opened
ON
ENGINE RUN
Engine stopped
OFF
Engine running
ON
FR FOG SW
Front fog lamp switch OFF
OFF
Front fog lamp switch ON
ON
FR WASHER SW
Front washer switch OFF
OFF
Front washer switch ON
ON
FR WIPER LOW
Front wiper switch OFF
OFF
Front wiper switch LO
ON
FR WIPER HI
Front wiper switch OFF
OFF
Front wiper switch HI
ON
FR WIPER INT
Front wiper switch OFF
OFF
Front wiper switch INT
ON
FR WIPER STOP
Any position other than front wiper stop position
OFF
Front wiper stop position
ON
HAZARD SW
When hazard switch is not pressed
OFF
When hazard switch is pressed
ON
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< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
LIGHT SW 1ST
Lighting switch OFF
OFF
Lighting switch 1st
ON
HEAD LAMP SW1
Headlamp switch OFF
OFF
Headlamp switch 1st
ON
HEAD LAMP SW2
Headlamp switch OFF
OFF
Headlamp switch 1st
ON
HI BEAM SW
High beam switch OFF
OFF
High beam switch HI
ON
IGN ON SW
Ignition switch OFF or ACC
OFF
Ignition switch ON
ON
IGN SW CAN
Ignition switch OFF or ACC
OFF
Ignition switch ON
ON
INT VOLUME
Wiper intermittent dial is in a dial position 1 - 7
1 - 7
I-KEY LOCK
LOCK button of Intelligent Key is not pressed
OFF
LOCK button of Intelligent Key is pressed
ON
I-KEY UNLOCK
UNLOCK button of Intelligent Key is not pressed
OFF
UNLOCK button of Intelligent Key is pressed
ON
KEY CYL LK-SW
Door key cylinder LOCK position
ON
Door key cylinder other than LOCK position
OF
KEY CYL UN-SW
Door key cylinder UNLOCK position
ON
Door key cylinder other than UNLOCK position
ON
KEY ON SW
Mechanical key is removed from key cylinder
OFF
Mechanical key is inserted to key cylinder
ON
OIL PRESS SW
• Ignition switch OFF or ACC
• Engine running
OFF
Ignition switch ON
ON
OPTICAL SENSOR
Bright outside of the vehicle
Close to 5V
Dark outside of the vehicle
Close to 0V
PASSING SW
Other than lighting switch PASS
OFF
Lighting switch PASS
ON
PUSH SW
Return to ignition switch to LOCK position
OFF
Press ignition switch
ON
REAR DEF SW
Rear window defogger switch OFF
OFF
Rear window defogger switch ON
ON
RR WASHER SW
Rear washer switch OFF
OFF
Rear washer switch ON
ON
RR WIPER INT
Rear wiper switch OFF
OFF
Rear wiper switch INT
ON
RR WIPER ON
Rear wiper switch OFF
OFF
Rear wiper switch ON
ON
RR WIPER STOP
Rear wiper stop position
OFF
Other than rear wiper stop position
ON
RR WIPER STP2
Rear wiper stop position
OFF
Other than rear wiper stop position
ON
Monitor Item
Condition
Value/Status
BCM (BODY CONTROL MODULE)
WT-23
< ECU DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
TRNK OPNR SW
When back door opener switch is not pressed
OFF
When back door opener switch is pressed
ON
TURN SIGNAL L
Turn signal switch OFF
OFF
Turn signal switch LH
ON
TURN SIGNAL R
Turn signal switch OFF
OFF
Turn signal switch RH
ON
VEHICLE SPEED
While driving
Equivalent to speedometer reading
Monitor Item
Condition
Value/Status
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