Infiniti FX35 / FX45. Manual — part 423
DTC P1564 ICC STEERING SWITCH
EC-453
< SERVICE INFORMATION >
[VQ35DE]
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DTC P1564 ICC STEERING SWITCH
Component Description
INFOID:0000000001326313
ICC steering switch has variant values of electrical resistance for each button. ECM reads voltage variation of
switch, and determines which button is operated.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000001326314
Specification data are reference values.
On Board Diagnosis Logic
INFOID:0000000001326315
• This self-diagnosis has the one trip detection logic.
• The MIL will not light up for this self-diagnosis.
NOTE:
If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to
.
DTC Confirmation Procedure
INFOID:0000000001326316
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-III
PBIB3255E
MONITOR ITEM
CONDITION
SPECIFICATION
MAIN SW
• Ignition switch: ON
MAIN switch: Pressed
ON
MAIN switch: Released
OFF
CANCEL SW
• Ignition switch: ON
CANCEL switch: Pressed
ON
CANCEL switch: Released
OFF
RESUME/ACC SW
• Ignition switch: ON
RESUME/ACCELERATE switch: Pressed
ON
RESUME/ACCELERATE switch: Released
OFF
SET SW
• Ignition switch: ON
SET/COAST switch: Pressed
ON
SET/COAST switch: Released
OFF
DIST SW
• Ignition switch: ON
DISTANCE switch: Depressed
ON
DISTANCE switch: Released
OFF
DTC No.
Trouble Diagnosis
Name
DTC Detecting Condition
Possible Cause
P1564
1564
ICC steering switch
• An excessively high voltage signal from the
ICC steering switch is sent to ECM.
• ECM detects that input signal from the ICC
steering switch is out of the specified range.
• ECM detects that the ICC steering switch is
stuck ON.
• Harness or connectors
(ICC steering switch circuit is open or shorted.)
• ICC steering switch
• ECM
EC-454
< SERVICE INFORMATION >
[VQ35DE]
DTC P1564 ICC STEERING SWITCH
1.
Turn ignition switch ON and wait at least 10 seconds.
2.
Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
3.
Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 sec-
onds.
4.
Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
5.
Press DISTANCE switch for at least 10 seconds, then release it and wait at least 10 seconds.
6.
Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
7.
Check DTC.
8.
If DTC is detected, go to
.
DTC P1564 ICC STEERING SWITCH
EC-455
< SERVICE INFORMATION >
[VQ35DE]
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Wiring Diagram
INFOID:0000000001326317
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TBWM0732E
EC-456
< SERVICE INFORMATION >
[VQ35DE]
DTC P1564 ICC STEERING SWITCH
Diagnosis Procedure
INFOID:0000000001326318
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten ground screw on the body. Refer to
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace ground connections.
2.
CHECK ICC STEERING SWITCH CIRCUIT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “MAIN SW”, “RESUME/ACC SW”, “SET SW”, “DIST SW” and “CANCEL SW” in “DATA MONITOR”
mode with CONSULT-III.
3.
Check each item indication under the following conditions.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
82
B/W
Sensor ground
(ICC steering switch)
[Engine is running]
• Warm-up condition
• Idle speed
Approximately 0V
99
G/Y
ICC steering switch
[Ignition switch: ON]
• ICC steering switch: OFF
Approximately 4.3V
[Ignition switch: ON]
• MAIN switch: Pressed
Approximately 0V
[Ignition switch: ON]
• CANCEL switch: Pressed
Approximately 1.3V
[Ignition switch: ON]
• RESUME/ACCELERATE switch: Pressed
Approximately 3.7V
[Ignition switch: ON]
• SET/COAST switch: Pressed
Approximately 3.0V
[Ignition switch: ON]
• DISTANCE switch: Pressed
Approximately 2.2V
PBIB2625E
Switch
Monitor item
Condition
Indication
MAIN switch
MAIN SW
Pressed
ON
Released
OFF
CANCEL switch
CANCEL SW
Pressed
ON
Released
OFF
RESUME/ACCELER-
ATE switch
RESUME/ACC SW
Pressed
ON
Released
OFF
SET/COAST switch
SET SW
Pressed
ON
Released
OFF
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