Infiniti Q45. Manual — part 11
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
ACS-37
[ICC]
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ACS
●
Touch “ON” and “OFF” to check if ICC system display operates
as in the following chart.
STOP LAMP
Touch “ON” and “OFF” to check if stop lamp operates as in the fol-
lowing chart.
BOOSTER SOL/V 3
●
Touch any of “MODE 1”, “MODE 2”, “MODE 3” to check if follow-
ing operation condition is caused by operating monitor and
brake pedal.
●
“START” is displayed 10 seconds after operation start. (Active
test is completed.)
METER LAMP
ON
OFF
ICC system display
Full illumination
OFF
SKIA1231E
STP LMP DRIVE
ON
OFF
Stop lamp
Lamp ON
Lamp OFF
SKIA1232E
SKIA1233E
PKIA9821E
ACS-38
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Self-Diagnostic Function
NKS001KD
WITH CONSULT-II
1.
Go to operation check after asking the customer for symptom information. Refer to
2.
Stop vehicle, turn ignition switch OFF, then connect CONSULT-II and CONSULT-II CONVERTER to data
link connector.
3.
With engine started, touch “START (NISSAN BASED VHCL)”, “ICC”, “SELF-DIAG RESULTS” on CON-
SULT-II screen in this order.
CAUTION:
If “ICC” cannot be shown after several attempts, the ICC unit may have had malfunction. Repair or
replace it. Refer to
GI-37, "CONSULT-II Data Link Connector (DLC) Circuit"
4.
Self-diagnostic result appears on screen. If “NO DTC ···” is shown, check ICC system warning lamp. If any
malfunction is indicated, GO TO step 5.
5.
According to
ACS-43, "Diagnostic Trouble Code (DTC) Chart"
, perform appropriate check, and repair or
replace malfunctioning part as necessary.
6.
Turn ignition switch OFF.
7.
Start engine and touch “START (NISSAN BASED VHCL)”, “ICC”, “SELF-DIAG RESULT”, and “ERASE”
on CONSULT-II display in turn to erase the memory.
CAUTION:
If the memory does not erase, go to 5.
8.
Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC system
warning lamp does not illuminate.
WITHOUT CONSULT-II
1.
Go to operation check after asking the customer for symptom information. Refer to
2.
Stop the vehicle to start the self-diagnosis.
3.
Turn ignition switch OFF.
4.
From 5 seconds through 15 seconds after turning ignition switch
ON, press RESUME/ACCELERATE switch 5 times, and SET/
COAST switch 5 times to start self-diagnosis.
CAUTION:
●
Never start engine.
●
Never turn the MAIN switch ON.
●
When operation above is not completed from 5 seconds
through 15 seconds, start again from above go to 3.
●
If self-diagnosis mode cannot be started after several
attempts, the ICC unit may have had malfunction. Repair or
replace it. Refer to
ACS-40, "SELF-DIAGNOSIS BY ICC SYS-
PKIA9675E
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
ACS-39
[ICC]
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ACS
5.
When self-diagnosis mode is started, DTC are shown on set vehicle speed indicator.
CAUTION:
●
DTC will disappear after 5 minutes.
●
When more than one malfunction is detected, a maximum of 3 code numbers can be stored; the
latest malfunction will be displayed first.
6.
Check
ACS-43, "Diagnostic Trouble Code (DTC) Chart"
, and repair or replace if necessary.
7.
After repair, erase DTC stored in the ICC unit.
8.
DTC 55 will be shown.
9.
Turn ignition switch OFF to exit the diagnosis.
10. Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC system
warning lamp (Orange) does not illuminate.
Self-Diagnostic Erasing Method
1.
Stop vehicle and turn ignition switch OFF.
2.
Turn ignition switch ON and start self-diagnosis.
3.
During self-diagnosis mode, press CANCEL switch 5 times, and
DISTANCE switch 5 times in this order.
CAUTION:
●
Press them within 10 seconds after pressing CANCEL
switch at first.
●
When operation is not completed within 10 seconds, start
again from step 2 above.
4.
DTC 55 will be shown.
CAUTION:
DTC of an existing malfunction will not be erased.
5.
Turn ignition switch OFF to exit the diagnosis.
6.
Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC system
warning lamp (Orange) does not illuminate.
PKIA9820E
PKIB8373E
ACS-40
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
SELF-DIAGNOSIS BY ICC SYSTEM DISPLAY WILL NOT RUN
Possible Irregular Condition
1.
CHECK FUSES
Check if any of the fuses is blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK ICC SYSTEM DISPLAY
1.
Turn ignition switch ON.
2.
Check if all displays illuminate.
Do all displays illuminate?
YES
>> GO TO 3.
NO
>> GO TO 6.
PKIA9676E
Open or short lines
symptoms
Malfunction causes
ICC unit power supply malfunction
No voltage supply from ignition switch
Fuse blown.
Harness open.
Harness shorted.
Ground cable not connected
Harness open.
Harness shorted.
ICC steering switch malfunction
No signal transmitted
Harness open.
Harness shorted.
Spiral cable open.
Spiral cable shorted.
ICC steering switch or ECM malfunction.
CAN communication system malfunction
Signal not transmitted
Harness open.
Harness shorted.
CAN communication malfunction.
Combination meter system malfunction
Indication not possible
ICC system display malfunction
ICC system display segments disappear.
ICC unit malfunction
ICC unit internal malfunction.
Unit
Power source
Fuse NO.
ICC unit
Ignition switch ON or START
1
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