Toyota RM787U, Руководство по обслуживанию и ремонту

Страница: 1971 / 1976

AC3BH-01
AC-14
- AIR CONDITIONING TROUBLESHOOTING (Manual A/C)
1855
Author: Date:
2001 SIENNA (RM787U)
TROUBLESHOOTING (Manual A/C)
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.
Front A/C:
Symptom Suspect Area See page
No blower operation
3. HTR Fuse
4. Front heater relay
5. Blower motor
6. Blower resistor
7. Blower speed control switch
8. Wire harness
-
AC-102
AC-82
AC-84
AC-122
-
No blower control
1. Blower speed control switch
2. Blower resistor
3. Blower motor
4. Wire harness
AC-122
AC-84
AC-82
-
No air flow mode control 1. A/C control assembly AC-1 18
Air inlet control: No air inlet control when air REC switch is
opeated
1. Air inlet control servomotor
2. A/C control assembly (Instegration switch)
3. Wire harness
AC-57
AC-122
-
Air inlet control: Recirculation mode does not change when turn
air flow selector to FOOT/DEF or DEF position.
1. A/C control assembly (Air flow selector)
2. A/C control assembly (integration switch)
3. Air inlet servomotor
4. Wire harness
AC-122
AC-122
AC-82
-
No temperature control 1. A/C control assembly AC-1 18
No compressor operation
1. Refrigerant volume
2. Drive belt
3. Magnetic clutch
4. Compressor
5. HTR Fuse
6. A/C Fuse
7. A/C switch
8. A/C amplifier
9. Pressure switch
10.Wire harness
AC-3
AC-17
AC-60
AC-60
-
-
AC-122
AC-133
AC-99
-
No cool air comes out
1. Refrigerant volume
2. Refrigerant pressure
3. Drive belt
4. Compressor
5. Thermistor
6. Pressure switch
7. A/C control assembly
AC-3
AC-3
AC-17
AC-60
AC-25
AC-99
AC-1 18
Insufficient cooling
1. Refrigerant volume
2. Drive belt
3. Magnetic clutch
4. Compressor
5. Condenser
6. Receiver
7. Expansion valve
8. Evaporator
9. Refrigerant line
10.Pressure switch
11.A/C amplifier
12.A/C control assembly
AC-3
AC-17
AC-60
AC-60
AC-72
AC-69
AC-25
AC-30
AC-22
AC-99
AC-133
AC-1 18