1986 TOYOTA CAMRY V20 Service Information

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Page 209 of 2389

TOYOTA CAMRY V20 1986 Service Information (Push Type on 2VZ±FE Engine Model)
± AIR CONDITIONING SYSTEMAir Conditioning System CircuitAC±10

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TOYOTA CAMRY V20 1986 Service Information ± AIR CONDITIONING SYSTEMAir Conditioning System CircuitAC±11

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TOYOTA CAMRY V20 1986 Service Information SYSTEM COMPONENTS
± AIR CONDITIONING SYSTEMSystem ComponentsAC±12

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TOYOTA CAMRY V20 1986 Service Information 4. The liquid refrigerant is charged by the expansion valve into a low temperature, low pressure liquid and
geseous mixture.
5. This cold and foggy refrigerant flows to the evaporator. Vaporizing t

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TOYOTA CAMRY V20 1986 Service Information Ignition Switch ºONº
Blower Switch ºONº " Heater Relay ªONº (Blower Motor ºRUNº)
A/C Switch ºONº " A/C Amplifier ºONº (A/C Amp. Main Power Supply) 1. PRINCIPLE OF A/C ELECTRICAL CIRCUIT

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TOYOTA CAMRY V20 1986 Service Information To evacuate and charge system
To perform electrical diagnosis
To perform electrical diagnosis
To perform electrical diagnosis
To remove and install pressure plate
To remove pressure plate
To remove an

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TOYOTA CAMRY V20 1986 Service Information Blower does not, operate
(a) GAUGE fuse blown
(b) FL blown
(c) Circuit breaker faulty
(d) HEATER relay faulty
(e) HEATER fuse blown
(f) Blower motor faulty
(g) Blower resistor faulty
(h) Blower switch

Blower does not, operate
(a) GAUGE fuse blown
(b) FL blown
(c) Circuit breaker faulty
(d) HEATER relay faulty
(e) HEATER fuse blown
(f) Blower motor faulty
(g) Blower resistor faulty
(h) Blower switch faulty
(i) Wiring or ground faulty
Magnetic clutch does not engage
(a) FL (30A CDS) blown
(b) Magnetic clutch relay faulty
(c) Magnetic clutch faulty
(d) A/C fuse faulty
(e) A/C switch faulty
(f) Thermistor faulty
(g) A/C amplifier faulty
(h) Revolution detecting sensor faulty
(i) Pressure switch faulty
(j) Wiring or ground faulty
(k) Refrigerant empty
Compressor does not rotate properly
(a) Drive belt loose or broken
(b) Compressor faulty
Expansion valve faulty
Leak i n systemReplace FL and check for short
Check relay
Check magnetic clutch
Replace fuse and check for short
Check switch
Check thermistor
Check amplifier
Check sensor
Check switch
Repair as necessary
Check refrigerant pressure Replace fuse and check for short
Replace FL and check for short
Check circuit breaker
Check relay .
Replace fuse and check for short
Check blower motor
Check blower resistor
Check blower switch
Repair as necessary
Magnetic clutch slipping
Expansion valve faulty
Excessive moisture in the system
Revolution detecting sensor faulty
A/C amplifier faulty
Wiring connection faulty
Condenser clogged
Drive belt slipping
Compressor faulty
Insufficient or too much refrigerant
Air i n systemCheck magnetic clutch
Check expansion valve
Evacuate and charge system
Check sensor
Check amplifier
Repair as necessary
Check condenser
Check or replace drive belt
Check compressor
Check refrigerant volume
Evacuate and charge systemAC±4 to 11
AC±37
AC±23
AC±4 to 11
AC±44
AC±43
AC±45 to 47
AC±24
AC±36
AC±4 to 11
AC±18, 22
Ajust or replace drive belt
Check compressor
Check expansion valve
Test system for leaks
TROUBLESHOOTING
AC±4 to 11
AC±4 to 11
AC±4 to 11
BE±73
AC±4 to 11
Cool air comes out
only at high speedAC±24
AC±45 to 47
AC±4 to 11 Coo! air comes
out intermittently
BE±73
BE±72, 74
AC±4 to 11
AC±33
AC±21
AC±23
AC±22 AC±21
AC±23
AC±39
AC±42
* FL: Fusible LinkPossible cause
AC±23
AC±39 No coolingRemedy Problem
Page
± AIR CONDITIONING SYSTEMTroubleshootingAC±16

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