Nissan Rogue (T33) 2021-Present Service Manual: B20dd-73 Ign Relay on Circ
DTC Description
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IPDM E/R operates the ignition relay when it receives an ignition ON signal from BCM via CAN communication.
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Turn the ignition relay OFF by pressing the push-button ignition switch once when the Nissan Ariya vehicle speed is 2.5 MPH (4 km/h) or less.
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Turn the ignition relay OFF with the following operation when the Nissan Ariya vehicle speed is more than 2.5 MPH (4 km/h) or when an abnormal condition occurs in CAN communication from the ABS actuator and electric unit (control unit) (emergency OFF):
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Press and hold the push-button ignition switch for 2 seconds or more.
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Press the push-button ignition switch 3 times within 1.5 seconds.
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NOTE:
The ignition relay does not turn ON for 3 seconds after emergency OFF even if the push-button ignition switch is pressed.
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B20DD-73 |
IGN RELAY ON CIRC (Ignition relay ON circuit) |
[ACTUATOR STUCK CLOSED] | Diagnosis condition | When ignition switch is OFF |
| Signal (terminal) | CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it | |||
| Threshold | The ignition relay ON is detected | |||
| Diagnosis delay time | 1 second or more | |||
POSSIBLE CAUSE
IPDM E/R
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
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Ignition switch ON.
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Ignition switch OFF and wait for 1 second or more.
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Ignition switch ON.
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Select “Self diagnosis result” mode of “IPDM E/R”.
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
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 1
CONSULT
-
Ignition switch ON
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Select “Self diagnosis result” mode of “IPDM E/R”.
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Remove fuse [No. 74 (10A)] downstream of the ignition relay in the IPDM E/R, and check the change in “Self diagnosis result”.
Is it now a past malfunction?
YES>>Perform an inspection of the downstream circuit of fuse [No. 74 (10A)] downstream of the ignition relay in the IPDM E/R.
NO>>GO TO 2.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 2
CONSULT
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Return fuse [No. 74 (10A)] downstream of the ignition relay in the IPDM E/R back to the original position.
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Remove fuse [No. 73 (10A)] downstream of the ignition relay in the IPDM E/R, and check the change in “Self diagnosis result”.
Is it now a past malfunction?
YES>>Perform an inspection of the downstream circuit of fuse [No. 73 (10A)] downstream of the ignition relay in the IPDM E/R.
NO>>GO TO 3.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 3
CONSULT
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Return fuse [No. 73 (10A)] downstream of the ignition relay in the IPDM E/R back to the original position.
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Remove fuse [No. 76 (5A)] downstream of the ignition relay in the IPDM E/R, and check the change in “Self diagnosis result”.
Is it now a past malfunction?
YES>>Perform an inspection of the downstream circuit of fuse [No. 76 (5A)] downstream of the ignition relay in the IPDM E/R.
NO>>GO TO 4.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 4
CONSULT
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Return fuse [No. 76 (5A)] downstream of the ignition relay in the IPDM E/R back to the original position.
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Remove fuse [No. 71 (10A)] downstream of the ignition relay in the IPDM E/R, and check the change in “Self diagnosis result”.
Is it now a past malfunction?
YES>>Perform an inspection of the downstream circuit of fuse [No. 71 (10A)] downstream of the ignition relay in the IPDM E/R.
NO>>GO TO 5.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 5
CONSULT
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Return fuse [No. 71 (10A)] downstream of the ignition relay in the IPDM E/R back to the original position.
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Remove fuse [No. 81 (15A)] downstream of the ignition relay in the IPDM E/R, and check the change in “Self diagnosis result”.
Is it now a past malfunction?
YES>>Perform an inspection of the downstream circuit of fuse [No. 81 (15A)] downstream of the ignition relay in the IPDM E/R.
NO>>GO TO 6.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT 6
CONSULT
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Return fuse [No. 81 (15A)] downstream of the ignition relay in the IPDM E/R back to the original position.
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Remove fuse [No. 85 (20A)] downstream of the ignition relay in the IPDM E/R, and check the change in “Self diagnosis result”.
Is it now a past malfunction?
YES>>Perform an inspection of the downstream circuit of fuse [No. 85 (20A)] downstream of the ignition relay in the IPDM E/R.
NO>>Replace IPDM E/R. Refer to Removal and Installation.
Other materials:
Informations de base
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DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
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83
CAN comm err (TCM)
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Diagnosis condition
Ignition switch ON
Signal (terminal)
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DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
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