Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELF-DIAGNOSIS RESULTS
Check if "C1A03", "C1A04", or "U1000" is detected other than "C1A15" in "Self Diagnostic Result" of "ICC/ADAS".

Is any DTC detected?

YES

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts.

NO

GO TO 2.
CHECK VEHICLE SPEED SIGNAL
Check that "VHCL SPEED SE" operates normally in "DATA MONITOR" of "ICC/ADAS".

CAUTION: Be careful of the vehicle speed.

Is the inspection result normal?

YES

GO TO 3.

NO

GO TO 7.
CHECK GEAR POSITION
Check that "GEAR" operates normally in "DATA MONITOR" of "ICC/ADAS".

CAUTION: Be careful of the vehicle speed.

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 4.
CHECK GEAR POSITION SIGNAL
Check that "GEAR" operates normally in "DATA MONITOR" of "TRANSMISSION".

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 6.
CHECK INPUT SPEED SENSOR SIGNAL
Check that "INPUT SPEED" operates normally in "DATA MONITOR" of "TRANSMISSION".

Is the inspection result normal?

YES

Replace the ADAS control unit. Refer to Removal and Installation .

NO

GO TO 6.
CHECK TCM SELF-DIAGNOSIS RESULTS
1. Perform "All DTC Reading".
2. Check if any DTC is detected in "Self Diagnostic Result" of "TRANSMISSION".
Is any DTC detected?

YES

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index (RE0F10J).

NO

Replace the ADAS control unit. Refer to Removal and Installation .
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
1. Perform "All DTC Reading".
2. Check if any DTC is detected in "Self Diagnostic Result" of "ABS".
Is any DTC detected?

YES

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index (Type 1) or DTC Index (Type 2).

NO

Replace the ADAS control unit. Refer to Removal and Installation .