Nissan Sentra B18 (2020-2025) Service Manual: B20c7-11 A/c Clutch
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
||
|---|---|---|---|---|
|
B20C7–11 |
A/C clutch (A/C clutch) |
[CIRCUIT SHORT TO GROUND] |
Diagnosis condition |
When A/C switch is ON |
|
Signal (Terminal) |
Magnetic clutch ON signal |
|||
|
Threshold |
Magnetic clutch ON signal circuit has a shorted to ground |
|||
|
Diagnosis delay time |
1 second or more |
|||
POSSIBLE CAUSE
-
Harness or connectors (magnetic clutch ON signal circuit is shorted to ground)
-
IPDM E/R
FAIL-SAFE
Inhibit A/C compressor (magnetic clutch) operation
Confirmation Procedure
Confirmation Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Start the engine.
-
Turn A/C switch ON.
-
Select “Self Diagnostic Result” mode of “IPDM E/R”.
-
Is DTC detected?
YES >>Refer to DTC Diagnosis Procedure.
NO >>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO >>Confirmation after repair: Inspection End.
-
Dtc Diagnosis Procedure
DTC Diagnosis Procedure
-
CHECK MAGNETIC CLUTCH ON SIGNAL CIRCUIT FOR SHORT
-
-
Ignition switch OFF.
-
Disconnect IPDM E/R connector and A/C compressor connector.
-
Check continuity between IPDM E/R harness connector and the ground.
IPDM E/R
—
Continuity
Connector
Terminal
F96
65
Ground
No
-
Is the inspection result normal?
YES >>Replace IPDM E/R. Refer to Removal and Installation.
NO >>Repair harness or connector.
-
Other materials:
Removal and Installation
Combination Meter
Exploded View
Exploded View
1.
Front cover
2.
Combination meter
...
Egr Cooler
Exploded View
Exploded View
1.
Vacuum delay valve
bracket
2.
EGR cooler
bracket
...
C1f4f-82 Bcm Can Circuit 1
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
conditi ...