Nissan Rogue (T33) 2021-Present Service Manual: P12a8 Cruise Control

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P12a8 Cruise Control

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detecting condition
P12A8 00

Cruise control communication

(Cruise control) 		Diagnosis condition Ignition switch ON
Signal CAN communication signal
Threshold Abnormal drive brake information is received from the ABS actuator and electric unit (control unit) or signal cannot be received.
Detection time ―

POSSIBLE CAUSE

  • CAN communication circuit

  • ABS actuator and elecric unit (control unit)

FAIL-SAFE

Engine Control System

Cruise control (ProPILOT Assist 1.1/ProPILOT Assist 2.1 ) operation prohibited

Stop/Start System

Not applicable

Confirmation Procedure

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Ignition switch OFF and wait at least 10 seconds.

  2. Ignition switch ON.

  3. Ignition switch OFF and wait at least 10 seconds.

TEST CONDITION:

Before performing the following procedure, confirm that battery voltage is between more than 11 V at idle.

>>

GO TO 2 .

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Start the engine.

  2. Perform driving using the cruise control.

  3. Depress the brake pedal several times while paying close attention to the surrounding conditions.

  4. Check self-diagnostic result in “ECM”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair : Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECKING THE SELF-DIAGNOSIS RESULT FOR THE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT

Check to see if the DTC is detected in the self-diagnosis result for the ABS actuator and electric unit (control unit). Refer to DTC Index.

Is the DTC detected?

YES>>

Repair or replace the relevant item in the self-diagnosis result.

NO>>

GO TO 2.

CHECK CAN COMMUNICATION CIRCUIT

Perform trouble diagnosis for CAN communication circuit. Refer to Trouble Diagnosis Flow Chart.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace error-detected parts.

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