Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: C1621-86 Bcm System

Nissan Rogue (T33) 2021-Present Service Manual / Steering :: Steering Control System / Dtc/circuit Diagnosis :: C1621-86 Bcm System

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
C1621 86

BCM system

(Body control module system) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold When a malfunction is detected in BCM.
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • CAN communication line

  • BCM

  • Power steering control module

FAIL-SAFE

Normal state

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

  1. Pull the parking brake switch.

    NOTE:

    Check to make sure that the parking brake switch indicator is turned ON.

  2. Ignition switch OFF.

  3. Get out of the Nissan Ariya vehicle and close all doors.

  4. Wait 65 seconds.

    NOTE:

    • Check to make sure that the parking brake switch indicator is turned OFF.

    • If the rear brake calipers are hot, wait up to an hour until parking brake indicator light on the switch turns OFF. Once indicator light on the switch turns OFF, move to next step.

>>

GO TO 2.

DTC REPRODUCTION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Perform self diagnosis for “EPS/Direct Adaptive Steering 3”.

Is DTC “C1621-86” detected?

YES>>

Proceed to diagnosis procedure. Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

PERFORM SELF-DIAGNOSIS

CONSULT

  1. Ignition switch OFF to ON.

  2. Perform self diagnosis for "BCM".

Is any DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK CONNECTOR AND TERMINAL

  1. Ignition switch OFF.

  2. Disconnect BCM harness connector.

  3. Disconnect power steering control module harness connector.

  4. Check the connector for disconnection or looseness.

  5. Check the terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness, connector, or terminal, securely lock the connector.

PERFORM SELF-DIAGNOSIS

CONSULT

  1. Connect BCM harness connector.

  2. Connect power steering control module harness connector.

  3. Ignition switch OFF to ON.

  4. Erase self diagnosis results for “EPS/Direct Adaptive Steering 3”.

  5. Pull the parking brake switch.

    NOTE:

    Check to make sure that the parking brake switch indicator is turned ON.

  6. Ignition switch OFF.

  7. Get out of the Nissan Ariya vehicle and close all doors.

  8. Wait 65 seconds.

    NOTE:

    • Check to make sure that the parking brake switch indicator is turned OFF.

    • If the rear brake calipers are hot, wait up to an hour until parking brake indicator light on the switch turns OFF. Once indicator light on the switch turns OFF, move to next step.

  9. Ignition switch ON.

  10. Perform self diagnosis for “EPS/Direct Adaptive Steering 3”.

Is DTC “C1621–86” detected?

YES>>

Replace the power steering control module (steering gear assembly). Refer to Removal and Installation.

NO>>

Inspection End.

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