Problem Symptoms Table |
Symptom |
Suspected Area |
No blower operation |
1. Blower fuse |
2. Blower relay |
|
3. Blower motor |
|
4. Power mosfet |
|
5. Blower speed control switch |
|
6. Wire harness |
|
No air temperature control |
1. Engine coolant capacity |
2. Heater control assembly |
|
No compressor operation |
1. Refrigerant capacity |
2. A/C fuse |
|
3. Magnetic clutch |
|
4. Compressor |
|
5. A/C pressure transducer |
|
6. A/C switch |
|
7. Evaporator temperature sensor |
|
8. Wire harness |
|
Vented air not cold |
1. Refrigerant capacity |
2. Refrigerant pressure |
|
3. Drive belt |
|
4. Magnetic clutch |
|
5. Compressor |
|
6. A/C pressure transducer |
|
7. Evaporator temperature sensor |
|
8. A/C switch |
|
9. Heater control assembly |
|
10. Wire harness |
|
Insufficient cooling |
1. Refrigerant capacity |
2. Drive belt |
|
3. Magnetic clutch |
|
4. Compressor |
|
5. Condenser |
|
6. Expansion valve |
|
7. Evaporator |
|
8. Refrigerant lines |
|
9. A/C pressure transducer |
|
10. Heater control assembly |
|
No engine idle-up when A/C switch ON |
1. Engine ECM |
2. Wire harness |
|
No air inlet control |
1. Heater control assembly |
No mode control |
1. Heater control assembly |
2. Mode actuator |
|
No cooling fan operation |
1. Cooling fan fuse |
2. Fan motor |
|
3. Engine ECM |
|
4. Wire harness |
OBD-II review
1. Overview
The California Air Resources Board (CARB) began regulation of On Board
Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model
year. The first phase, O ...
Side Airbag (SAB) Module Removal
The side airbag cannot be disassembled from the seat back assembly,
so replace assembly when replacing the side airbag.
...
ECM Terminal And Input/Output signal
ECM Terminal Function
Connector [C300-A]
Pin
No.
Description
Connected to
1
Ignition Coil (Cylinder #2) control output
[NON-smart ke ...