Section 593 (Rear A/C Unit): Inspection

WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT EVAPORATOR
1. Check evaporator fins for blockage.
  If the fins are clogged, clean them with compressed air.
  
  NOTE: Never use water to clean the evaporator.
2. Check fitting for cracks or scratches.
If necessary, repair or replace.
INSPECT HEATER RADIATOR
Inspect fins for blockage.

If the fins are clogged, clean them with compressed air.
INSPECT WATER VALVE SERVOMOTOR CIRCUIT (See DTC 47 WATER VALVE DAMPER CONTROL SERVOMOTOR CIRCUIT )

INSPECT AIR OUTLET SERVOMOTOR OPERATION

Fig 1: Identifying Air Outlet Servomotor Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Connect the positive (+) lead from the battery to terminal 7 and the negative (-) lead to terminal 8.
Connect the negative (-) lead from the battery to each terminal and check that the shaft rotates at each position, as shown in the illustration.

AIR OUTLET SERVOMOTOR OPERATION

Connected Terminal	Position
1	FOOT
2	B/L 2
3	B/L 1
4	FACE 2
5	FACE 1