Nissan Maxima Service and Repair Manual: A/C switch assembly signal circuit
Diagnosis Procedure
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
- Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
- Check if any DTC No. is displayed in the self-diagnosis results.
NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010.
2.CHECK RX (A/C SWITCH ASSEMBLY → A/C AUTO AMP.) CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect the A/C switch assembly and the A/C auto amp.
connectors.
- Check continuity between A/C switch assembly harness connector M104 (A) terminal 4 and A/C auto amp. harness connector M37 (B) terminal 7.
4 - 7: Continuity should exist.
- Check continuity between A/C switch assembly harness connector M104 (A) terminal 4 and ground.
4 - Ground: Continuity should not exist.
3.CHECK TX (A/C AUTO AMP. → A/C SWITCH ASSEMBLY) CIRCUIT CONTINUITY
- Check continuity between A/C switch assembly harness connector M104 (A) terminal 3 and A/C auto amp. harness connector M37 (B) terminal 6.
3 - 6: Continuity should exist.
- Check continuity between A/C switch assembly harness connector M104 (A) terminal 3 and ground.
3 - Ground: Continuity should not exist.
Magnet clutch
Description
SYSTEM DESCRIPTION
A/C auto amp. controls A/C compressor operation by ambient temperature and
signal from ECM.
Low Temperature Protection Control
A/C auto amp. will turn the A/C co ...
Power supply and ground circuit
A/C AUTO AMP.
A/C AUTO AMP.: Description
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C auto amp. (1) has a built-in microcomputer that processes
informatio ...
Other materials:
Active trace control
The Integrated Dynamics-control Module is an
electric control module that includes the following
functions:
Active Trace Control
Active Engine Brake
Active Ride Control
This system senses driving based on the driver's
steering and acceleration/braking patterns, and
controls brake pres ...
Auto light system
System Diagram
System Description
BCM (Body Control Module) controls auto light operation according to
signals from optical sensor, lighting switch and ignition switch.
IPDM E/R (Intelligent Power Distribution Module Engine Room)
operates parking, license plate, tail, front fog lamps ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
2. CHECK DTC
Check DTC.
Perform the following procedure if DTC is di ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
0.0073