Nissan Sentra B18 (2020-2025) Service Manual: Hvac Branch Line Circuit
Diagnosis Procedure
Diagnosis Procedure
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CHECK CONNECTOR
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Turn the ignition switch OFF.
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Disconnect the battery cable from the negative terminal.
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Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
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A/C auto amp. (With auto A/C)
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A/C amp. (With manual A/C)
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Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair the terminal and connector.
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CHECK HARNESS FOR OPEN CIRCUIT
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Disconnect the following connectors.
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A/C auto amp. (With auto A/C)
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A/C amp. (With manual A/C)
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Check the resistance between the following harness connector terminals.
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With auto A/C
A/C auto amp. harness connector
Resistance (Ω)
Connector No.
Terminal No.
M34
50
70
Approx. 54 – 66
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With manual A/C
A/C amp. harness connector
Resistance (Ω)
Connector No.
Terminal No.
M82
50
70
Approx. 54 – 66
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Is the measurement value within the specification?
YES >>GO TO 3.
NO >>Repair the following.
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A/C auto amp. branch line (With auto A/C)
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A/C amp. branch line (With manual A/C)
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CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C). Refer to the following.
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With automatic air conditioning: Diagnosis Procedure
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With manual air conditioning: Diagnosis Procedure
Is the inspection result normal?
YES (Present error) >>Replace the A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C). Refer to the following.
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With automatic air conditioning: Removal and Installation
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With manual air conditioning: Removal and Installation
Error was detected in the following.
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A/C auto amp. branch line (With auto A/C)
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A/C amp. branch line (With manual A/C)
Repair the power supply and the ground circuit.
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Other materials:
Remote Engine Start
The
button is available on the NISSAN Intelligent Key when the Nissan Sentra is equipped
with the Remote Engine Start system. This convenient feature allows the engine of
the Nissan Sentra to be started from outside the vehicle, helping to pre-condition
the cabin before driving.
When ...
Brake Drum. Inspection
Inspection
Inspection
INSPECTION
Appearance
Check the surface of the brake drum for
uneven wear, cracks, or damage. Replace the brake drum if any
abnormal conditions exist. Refer to Removal and Installation.
Brake Drum Inner Diameter
Check the maximum inner diameter (B) of the bra ...
Air Breather Hose
Exploded View
Exploded View
1.
Air breather hose
2.
Transaxle assembly
A.
...