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Problem Symptoms Table

Problem Symptoms

Symptom/Suspect Area See
Whole Function Of The A/C System Does Not Operate
IG Power Source Circuit IG POWER SOURCE CIRCUIT 
A/C Control Assembly (1)
Air Flow Control: No Blower Operation
Heater Main Relay Circuit HEATER MAIN RELAY CIRCUIT 
Blower Motor Circuit BLOWER MOTOR CIRCUIT 
Engine Coolant Temperature Sensor Circuit DTC 14 ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT 
IG Power Source Circuit IG POWER SOURCE CIRCUIT 
A/C Control Assembly (1)
Air Flow Control: No Blower Control
Blower Motor Circuit BLOWER MOTOR CIRCUIT 
IG Power Source Circuit IG POWER SOURCE CIRCUIT 
Heater Main Relay Circuit HEATER MAIN RELAY CIRCUIT 
Air Flow Control: Insufficient Air Out
Blower Motor Circuit BLOWER MOTOR CIRCUIT 
Temperature Control: No Cool Air Comes Out
Volume Of Refrigerant ON-VEHICLE INSPECTION
Drive Belt Tension DRIVE BELT
Inspect Refrigeration System With Manifold Gauge Set MANIFOLD GAUGE SET
Compressor Circuit COMPRESSOR CIRCUIT 
Pressure Switch Circuit DTC 23 PRESSURE SWITCH CIRCUIT 
Air Mix Control Servomotor Circuit DTC 41 AIR MIX CONTROL SERVOMOTOR CIRCUIT 
Air Mix Damper Position Sensor Circuit DTC 31, 41 AIR MIX DAMPER POSITION SENSOR CIRCUIT 
Room Temp. Sensor Circuit DTC 11 ROOM TEMPERATURE SENSOR CIRCUIT 
Ambient Temp. Sensor Circuit DTC 12 AMBIENT TEMPERATURE SENSOR CIRCUIT 
A/C Control Assembly (1)
Temperature Control: No Warm Air Comes Out
Air Mix Control Servomotor Circuit DTC 41 AIR MIX CONTROL SERVOMOTOR CIRCUIT 
Air Mix Damper Position Sensor Circuit DTC 31, 41 AIR MIX DAMPER POSITION SENSOR CIRCUIT 
Ambient Temp. Sensor Circuit DTC 12 AMBIENT TEMPERATURE SENSOR CIRCUIT 
Room Temp. Sensor Circuit DTC 11 ROOM TEMPERATURE SENSOR CIRCUIT 
Evaporator Temp. Sensor Circuit DTC 13 EVAPORATOR TEMPERATURE SENSOR CIRCUIT 
A/C Control Assembly (1)
Heater Radiator (In Heater Unit) HEATER UNIT
Temperature Control: Output Air Is Warmer Or Cooler Than The Set Temperature Or Response Is Slow.
Volume Of Refrigerant ON-VEHICLE INSPECTION
Drive Belt Tension DRIVE BELT
Inspect Refrigeration System with Manifold Gauge Set ON-VEHICLE INSPECTION
Ambient Temp. Sensor Circuit DTC 12 AMBIENT TEMPERATURE SENSOR CIRCUIT 
Evaporator Temp. Sensor Circuit DTC 13 EVAPORATOR TEMPERATURE SENSOR CIRCUIT 
Solar Sensor Circuit DTC 21 SOLAR SENSOR CIRCUIT 
Air Mix Damper Position Sensor Circuit DTC 31, 41 AIR MIX DAMPER POSITION SENSOR CIRCUIT 
Engine Coolant Temp. Sensor Circuit DTC 14 ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT 
Air Mix Control Servomotor Circuit DTC 41 AIR MIX CONTROL SERVOMOTOR CIRCUIT 
Compressor COMPRESSOR AND MAGNETIC CLUTCH
Condenser CONDENSER
Receiver RECEIVER
Evaporator INSPECTION
Heater Radiator (In Heater Unit) HEATER UNIT
Expansion Valve ON-VEHICLE INSPECTION
A/C Control Assembly (1)
Temperature Control: No Temperature Control ( Only Max. Cool or Max. Warm)
Air Mix Control Servomotor Circuit DTC 41 AIR MIX CONTROL SERVOMOTOR CIRCUIT 
Air Mix Damper Position Sensor Circuit DTC 31, 41 AIR MIX DAMPER POSITION SENSOR CIRCUIT 
A/C Control Assembly (1)
No Air Outlet Control
Air Outlet Control Servomotor Circuit AIR OUTLET CONTROL SERVOMOTOR CIRCUIT 
A/C Control Assembly (1)
Engine Idle up Does Not Occur, Or Is Continuous
Compressor Circuit COMPRESSOR CIRCUIT 
A/C Control Assembly (1)
Set Temperature Value Displayed Does Not Match Up With Operation Of Temperature
A/C Control Assembly (1)
Brightness Does Not Change When Rheostat Volume Or Light Control Switch Is Turned.
Illumination Light System INTERIOR/ILLUMINATION LIGHTS
A/C Control Assembly (1)
Unable To Access The Diagnosis Model
A/C Control Assembly (1)
DTC Not Recorded. Set Mode Is Cleared When IG Switch Is Turned Off.
Back-up Power Source Circuit BACK UP POWER SOURCE CIRCUIT 
A/C Control Assembly (1)
(1) For A/C control assembly, see INTRODUCTION .
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