Component Inspection
INSPECTION1. INSPECT REAR BLOWER MOTOR CIRCUIT
Refer to Heating and Air Conditioning; Testing and Inspection.
2. EXHAUST DAMPER CONTROL SERVOMOTOR CIRCUIT
Refer to Heating and Air Conditioning; Testing and Inspection.
3. INSPECT REAR MAGNETIC VALVE CIRCUIT
Refer to Heating and Air Conditioning; Testing and Inspection.
4. INSPECT SMOKE SENSOR CIRCUIT
Refer to Heating and Air Conditioning; Testing and Inspection.
5. INSPECT EVAPORATOR SUB-ASSEMBLY (REAR)
a. Check the evaporator sub-assembly (rear) fins for blockage. If the fins are clogged, clean them with compressed air.
NOTE: Never use water to clean the evaporator sub-assembly (rear).
b. Check the fitting for cracks or scratches. If necessary, repair or replace.
6. INSPECT COOLING BOX LAMP SUB-ASSEMBLY
a. Connect positive (+) lead to terminal 1 and negative (-) lead to terminal 2.
b. Check that the cooling box lamp sub-assembly comes on. If cooling box light does not come on, replace the cooling box lamp sub-assembly.