AC/Air Conditioning — Blinking Light Foot Evaporator Temperature Sensor Circuit, page 32

AC–32
AIR CONDITIONING SYSTEM – TROUBLESHOOTING

Blinking Light FOOT Evaporator Temperature Sensor Circuit

CIRCUIT DESCRIPTION

This sensor detects the temperature inside the cooling unit and sends the appropriate signals to the A/C amplifier.

Diagnostic Sensor Check Detecting Condition | Trouble Area

Open or short in evaporator temperature sensor circuit. | • Evaporator temperature sensor
• Harness or connector between evaporator temperature sensor and A/C amplifier
• A/C amplifier

WIRING DIAGRAM

A/C Amplifier

5 V

L-Y    3
2          IG1         L-Y         7
A13    TE
Evaporator
Temp. Sensor

1
V-W    4
IG1         V-W         9
A13    SG

N08815