ICC System Cannot Be Set (Main Switch Turns On/Off)

ICC SYSTEM CANNOT BE SET (MAIN SWITCH TURNS ON/OFF)

Description

The MAIN switch can be turned ON/OFF, but the ICC system cannot be set even if the SET/COAST switch is pressed.
NOTE:
The system cannot be set in the following case.
- When the vehicle ahead is not detected below the speed of 32 km/h (20 MPH).
- When the selector lever is not in the "D" position or manual mode.
- When the brake pedal is depressed.
- When the VDC is turned OFF.
- When ABS or VDC (including the TCS) operates.
- When a wheel slips.
- When the drive mode select switch is in SNOW position.
- When ABS warning lamp is ON.


Diagnosis Procedure


1. CHECK CAUSE OF AUTOMATIC CANCELLATION

Check if there is the cancellation cause in the "CAUSE OF AUTO-CANCEL" on "WORK SUPPORT" of "ICC/
ADAS" with CONSULT.
Is it displayed?
Not displayed-GO TO 2.
"OPE SW VOLT CIRC"-Refer to "DTC Logic" Operation Switch.
"VHCL SPD UNMATCH"-Refer to "DTC Logic" C1A03.
"IGN LOW VOLT"-Refer to "ADAS CONTROL UNIT : DTC Logic" C1A01.
"ECM CIRCUIT"-Refer to "DTC Logic" C1A14.
"CAN COMM ERROR"-Refer to "ADAS CONTROL UNIT : DTC Logic" Cruise Control.
"ICC SENSOR CAN COMM ERR"-Refer to "DTC Logic" U0235.
"ABS/TCS/VDC CIRC"-Refer to "DTC Logic" C1A04.
"ECD CIRCUIT"-Refer to "DTC Logic" C1A26.

2. PERFORM THE SELF-DIAGNOSIS

1.Perform "All DTC Reading".
2.Check if any DTC is detected in "Self Diagnostic Result" of "ICC/ADAS"" of "LASER/RADAR". Refer to
"DTC Index" A L L Diagnostic Trouble Codes ( DTC ) (ICC/ADAS) or "DTC Index" A L L Diagnostic Trouble Codes ( DTC ) (LASER/RADAR).
Is any DTC detected?
YES- GO TO 3.
NO- GO TO 4.

3. REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts identified by the self-diagnosis result.
- GO TO 6.

4. CHECK EACH SWITCH AND VEHICLE SPEED SIGNAL

1.Start the engine.
2.Check that the following items operate normally in "DATA MONITOR" of "ICC/ADAS".
-"VHCL SPEED SE"
-"D RANGE SW"
-"SET/COAST SW"
-"BRAKE SW"
-"PKB SW"
Is there a malfunctioning item?
All items are normal-GO TO 5.
"VHCL SPEED SE"-Refer to "DTC Logic" C1A03.
"D RANGE SW"-Refer to "Diagnosis Procedure" ICC System Does Not Cancel When CVT Selector Lever Sets On "N".
"SET/COAST SW"-Refer to "DTC Logic" Operation Switch.
Revision: March 20122013 Infiniti JX
"BRAKE SW"-Refer to "DTC Logic" Brake Switch/Stop Lamp Switch.
"PKB SW"-Refer to "Diagnosis Procedure" Parking Brake Switch Signal Circuit.

5. REPLACE ADAS CONTROL UNIT

Replace the ADAS control unit. Refer to "Removal and Installation" Removal and Installation.
- GO TO 6.

6. CHECK ICC SYSTEM

1.Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to "Description" Description for action test.)
2.Check that the ICC system is normal.
- INSPECTION END
Revision: March 20122013 Infiniti JX