Test E: Insufficient Air Conditioning (A/C) Cooling - Auxiliary System

PINPOINT TEST E: INSUFFICIENT AIR CONDITIONING (A/C) COOLING - AUXILIARY SYSTEM

E1-E2:

E2-E3:

Normal Operation
Under normal operation, the auxiliary A/C system provides adequate cooling based on the position of the function selector switch.

Possible Causes
- Thermostatic expansion valve (TXV)
- Vacuum hose
- Vacuum control motor
- Stuck or bound linkage or door