Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne di acsy pst
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DI-586
DIAGNOSTICS - AIR CONDITIONING SYSTEM
DI3VX-02
PROBLEM SYMPTOMS TABLE
Symptom Suspect Area See page
3. IG power source circuit DI-622
Whole functions of the A/C system does not operate.
4. A/C control assembly IN-28
1. Heater main relay circuit DI-627
2. Blower motor circuit DI-630
Air Flow Control: No blower operation 3. Engine coolant temperature sensor circuit DI-597
4. IG power source circuit DI-622
5. A/C control assembly IN-28
1. Blower motor circuit DI-630
Air Flow Control: No blower control 2. IG power source circuit DI-622
3. Heater main relay circuit DI-627
Air Flow Control: Insufficient air out 1. Blower motor circuit DI-630
1. Volume of refrigerant AC-3
2. Drive belt tension AC-16
3. Inspect refrigeration system with manifold gauge set AC-3
4. Compressor circuit DI-632
5. Pressure switch circuit DI-603
Temperature Control: No cool air comes out
6. Air mix control servomotor circuit DI-612
7. Air mix damper position sensor circuit DI-606
8. Room temp. sensor circuit DI-588
9. Ambient temp. sensor circuit DI-591
10.A/C control assembly IN-28
1. Air mix control servomotor circuit DI-612
2. Air mix damper position sensor circuit DI-606
3. Ambient temp. sensor circuit DI-591
Temperature Control: No warm air comes out 4. Room temp. sensor circuit DI-588
5. Evaporator temp. sensor circuit DI-594
6. A/C control assembly IN-28
7. Heater radiator (in heater unit) AC-34
1. Volume of refrigerant AC-3
2. Drive belt tension AC-16
3. Inspect refrigeration system with manifold gauge set AC-3
4. Ambient temp. sensor circuit DI-591
5. Evaporator temp. sensor circuit DI-594
6. Solar sensor circuit DI-600
7. Air mix damper position sensor circuit DI-606
Temperature Control: Output air is warmer or cooler than the set 8. Engine coolant temp. sensor circuit DI-597
temperature or response is slow. 9. Air mix control servomotor circuit DI-612
10.Compressor AC-49
11.Condenser AC-60
12.Receiver AC-57
13.Evaporator AC-29
14.Heater radiator (in heater unit) AC-34
15.Expansion valve AC-24
16.A/C control assembly IN-28
1. Air mix control servomotor circuit DI-612
Temperature Control: No temperature control
2. Air mix damper position sensor circuit DI-606
(only Max. cool or Max. warm)
3. A/C control assembly IN-28
1. Air outlet control servomotor circuit DI-619
No air outlet control
2. A/C control assembly IN-28
1. Compressor circuit DI-632
Engine idle up does not occur, or is continuous
2. A/C control assembly IN-28
2002 4RUNNER (RM887U)
Author : Date : 762
DI-587
DIAGNOSTICS - AIR CONDITIONING SYSTEM
Symptom Suspect Area See page
Set temperature value displayed does not match up with operation
1. A/C control assembly IN-28
of temperature control switch.
Brightness does not change when rheostat volume or light control 1. Illumination light system BE-15
switch is turned. 2. A/C control assembly IN-28
Unable to access the diagnosis mode. A/C control assembly IN-28
DTC not recorded. Set mode is cleared when IG switch is turned 1. Back-up power source circuit DI-625
off. 2. A/C control assembly IN-28
2002 4RUNNER (RM887U)
Author : Date : 763
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