Nissan Rogue (T33) 2021-Present Service Manual: B20c7-15 A/c Clutch

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Manual Air Conditioning :: Dtc/circuit Diagnosis / B20c7-15 A/c Clutch

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B20C7–15

A/C clutch

(A/C clutch) 		[CIRC SHORT TO BATT OR OPEN] Diagnosis condition When A/C switch is ON
Signal (Terminal) Magnetic clutch ON signal
Threshold Magnetic clutch ON signal circuit has a shorted to power or open
Diagnosis delay time 1 second or more

POSSIBLE CAUSE

  • Harness or connectors (magnetic clutch ON signal circuit is shorted to battery or open)

  • IPDM E/R

FAIL-SAFE

Inhibit A/C compressor (magnetic clutch) operation

DTC CONFIRMATION PROCEDURE

PERFORM SELF DIAGNOSIS

CONSULT

  1. Start the engine.

  2. A/C switch ON.

  3. Select "Self diagnosis result" mode of "IPDM E/R".

  4. Check DTC.

Is DTC detected?

YES>>

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

CHECK MAGNETIC CLUTCH ON SIGNAL CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect IPDM E/R connector and A/C compressor connector.

  3. Check continuity between IPDM E/R harness connectors and A/C compressor harness connector.

IPDM E/R A/C compressor Continuity
Connector Terminal Connector Terminal
F35 65 F27 1 Yes

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair harness or connector.

CHECK MAGNETIC CLUTCH ON SIGNAL CIRCUIT FOR SHORT

Check voltage between IPDM E/R harness connectors and the ground.

(+) (−)

Voltage

(Approx.)
IPDM E/R
Connector Terminal
F35 65 Ground 0 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair harness or connector.

CHECK MAGNETIC CLUTCH GROUND CIRCUIT FOR OPEN

Check continuity between A/C compressor harness connectors and the ground.

A/C compressor (—) Continuity
Connector Terminal
F27 2 Ground Yes

Is the inspection result normal?

YES>>

Replace IPDM E/R. Refer to Removal and Installation.

NO>>

Repair harness or connector.

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