Section 245 (Auto)
WARNING: This page is about a different car, the 2004 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
- Precautions
- Precautions For Supplemental Restraint System (SRS) "Air Bag" And "Seat Belt Pre-TENSIONER"
- Precautions For Working With HFC-134A (R-134A)
- General Refrigerant Precautions
- Precautions For Leak Detection Dye
- Identification
- Precautions For Refrigerant Connection
- Precautions For Servicing Compressor
- Precautions For Service Equipment
- Wiring Diagrams And Trouble Diagnosis
- Preparation
- Description
- Trouble Diagnoses
- Component Location
- Circuit Diagram
- Wiring Diagram - A/C, A -
- Auto Amp. Terminals And Reference Value
- Self-Diagnosis
- Introduction And General Description
- Function Confirmation Procedure
- 1 Enter Self-Diagnostic Mode
- 2 Step-1 Led/Display Check
- 3 Check To Advance Self-Diagnosis Step-2
- 4 Check To Return Self-Diagnosis Step-1
- 5 Step-2 Sensor Circuits Are Checked For Open Or Short Circuit
- 6 Step-3 Mode Door And Intake Door Positions Are Checked
- 7 Step-4 Operation Of Each Actuator Is Checked
- 8 Check Actuators
- 9 Step-5 Temperature Of Each Sensor Is Checked
- 10 Check Ambient Sensor
- 11 Check In-Vehicle Sensor
- 12 Check Intake Sensor
- 13 Check Malfunctioning Sensor
- 14 Check Malfunctioning Door Motor Position Switch
- Unconfirmed Incidents
- Trouble Diagnosis Procedure For Self-Diagnosis
- Inspection Flow
- How To Perform Trouble Diagnoses For Quick And Accurate Repair
- Operational Check
- A/C System
- Mode Door Motor
- Trouble Diagnosis Procedure For Mode Door Motor (LAN)
- Symptom:
- Inspection Flow
- System Description
- System Operation
- Component Description
- Diagnostic Procedure For Air Mix Door Motor, Mode Door Motor And Intake Door Motor Circuit
- 1 Check Power Supply For Auto Amp. Side
- 2 Check Signal For Auto Amp. Side
- 3 Check Power Supply For Motor Side
- 4 Check Signal For Motor Side
- 5 Check Motor Ground Circuit
- 6 Check Motor Operation
- 7 Check Mode Door Motor And Air Mix Door Motor Operation
- 8 Check Mode Door Motor And Intake Door Motor Operation
- 9 Check Intake Door Motor And Mode Door Motor Operation
- Control Linkage Adjustment
- Trouble Diagnosis Procedure For Mode Door Motor (LAN)
- Air Mix Door Motor
- Intake Door Motor
- Blower Motor
- Trouble Diagnosis Procedure For Blower Motor
- Inspection Flow
- System Description
- Component Description
- Diagnostic Procedure
- 1 Check Power Supply For Fan Control Amp.
- 2 Check Body Ground Circuit For Fan Control Amp.
- 3 Check Voltage For Fan Control Amp.
- 4 Check Fan Control Amp.
- 5 Check Fan Control Amp. Circuit Between Fan Control Amp. And Auto Amp.
- 6 Check Power Supply For A/C Auto Amp.
- 7 Check Feedback Signal
- 8 Check Power Supply For Blower Motor
- 9 Check Circuit Continuity Between Blower Motor And Fan Control Amp.
- 10 Check Blower Motor Circuit Between Blower Motor And Auto Amp.
- Component Inspection
- Magnet Clutch
- Trouble Diagnosis Procedure For Magnet Clutch
- Inspection Flow
- System Description
- Diagnostic Procedure
- 1 Check Power Supply For Compressor
- 2 Check Circuit Continuity Between A/C Relay And Compressor
- 3 Check Power Supply For A/C Relay
- 4 Check A/C Relay After Disconnecting It
- 5 Check Coil Side Circuit Of A/C Relay
- 6 Check Voltage For ECM
- 7 Check Refrigerant Pressure Sensor Input Signal
- 8 Check Refrigerant Pressure Sensor
- 9 Check Circuit Continuity Between A/C Relay And ECM
- Component Inspection
- Insufficient Cooling
- Insufficient Heating
- Noise
- Memory Function
- Econ (Economy) Mode
- Ambient Sensor Circuit
- Component Description
- Ambient Temperature Input Process
- Diagnostic Procedure
- 1 Check Voltage Between Ambient Sensor Harness Connector And Ground
- 2 Check Ambient Sensor Circuit Between Ambient Sensor And Auto Amp.
- 3 Check Ambient Sensor
- 4 Check Ambient Sensor Circuit Between Ambient Sensor And Auto Amp.
- Component Inspection
- In-Vehicle Sensor Circuit
- Component Description
- Diagnostic Procedure
- 1 Check In-Vehicle Sensor Circuit Between In-Vehicle Sensor And Ground
- 2 Check In-Vehicle Sensor Circuit Between In-Vehicle Sensor And Auto Amp.
- 3 Check In-Vehicle Sensor
- 4 Check In-Vehicle Sensor Circuit Between In-Vehicle Sensor And Auto Amp.
- Component Inspection
- SUNLOAD Sensor Circuit
- Component Description
- SUNLOAD Input Process
- Diagnostic Procedure
- 1 Check SUNLOAD Sensor Circuit Between SUNLOAD Sensor And Ground
- 2 Check SUNLOAD Sensor Circuit Between SUNLOAD Sensor And Auto Amp.
- 3 Check SUNLOAD Sensor
- 4 Check SUNLOAD Sensor Circuit Between SUNLOAD Sensor And Auto Amp.
- Component Inspection
- Intake Sensor Circuit
- Air Mix Door Motor PBR Circuit
- Service Procedure
- Service Data And Specifications (SDS)