Toyota RM787U, Руководство по обслуживанию и ремонту

Страница: 389 / 1976

- DIAGNOSTICS AIR CONDITIONING SYSTEM
DI-699
853
Author: Date:
2001 SIENNA (RM787U)
Rear A/C
Symptom Suspect Area See page
Whole functions of the rear A/C system does not operate
1. IG power source circuit
2. A/C control assembly
DI-749
IN-31
Air Flow Control: No blower operation (for rear cooling)
1. IG power source circuit
2. Rear CLR relay circuit
3. Rear blower motor circuit
4. A/C control assembly
DI-749
DI-762
DI-768
IN-31
Air Flow Control: No blower operation (for rear heater)
1. IG power source circuit
2. Rear heater relay circuit
3. Rear blower motor circuit
4. A/C control assembly
DI-749
DI-759
DI-772
IN-31
Air Flow Control: No blower control (for rear cooling)
1. Rear blower motor circuit
2. A/C control assembly
3. Solar sensor circuit
DI-772
IN-31
DI-715
Air Flow Control: No blower control (for rear heater)
1. Rear blower motor circuit
2. A/C control assembly
3. Solar sensor circuit
DI-768
IN-31
DI-715
Air Flow Control: Insufficient air flow (for rear cooling) 1. Rear blower motor circuit DI-768
Air Flow Control: Insufficient air flow (for rear heater) 1. Rear blower motor circuit DI-768
Temperature Control: No cool air comes out
1. Refrigerant volume
2. Drive belt tension
3. Refrigeration system inspection with manifold gauge set
4. Expansion valve
5. Evaporator
6. Compressor circuit
7. Rear air mix damper position sensor circuit
8. Rear air mix damper control servomotor circuit
9. Rear room temp. sensor circuit
10.A/C control assembly
AC-3
AC-17
AC-3
AC-33
AC-38
DI-776
DI-733
DI-742
DI-712
IN-31
Temperature Control: No warm air comes out
1. Rear air mix damper position sensor circuit
2. Rear air mix damper control servomotor circuit
3. Rear room temp. sensor circuit
4. Rear air intake temp. sensor circuit
5. A/C control assembly
DI-733
DI-742
DI-712
DI-724
IN-31
Temperature Control: Output air is warmer or cooler that the set
temperature or response is slow
1. Refrigerant volume
2. Drive belt tension
3. Refrigeration system inspection with manifold gauge set
4. Cooling fan system
5. Solar sensor circuit
6. Rear room temp. sensor circuit
7. Rear air intake temp. sensor circuit
8. Rear air mix damper position sensor circuit
9. Rear air mix damper control servomotor circuit
10.Condenser
11.Evaporator
12.Heater radiator
13.Expansion valve
14.A/C control assembly
AC-3
AC-17
AC-3
AC-109
DI-715
DI-712
DI-724
DI-733
DI-742
AC-72
AC-33
AC-51
AC-33
IN-31
Temperature Control: No temperature control (only Max. cool or
Max. warm)
1. Rear room temp. sensor circuit
2. Rear air mix damper position sensor circuit
3. Rear air mix damper control servomotor circuit
4. A/C control assembly
DI-712
DI-733
DI-742
IN-31