On-Vehicle Inspection

REMOVE A/C CONTROL ASSEMBLY (See REMOVAL )
INSPECT A/C CONTROL ASSEMBLY CIRCUIT
1. Disconnect the connector from the A/C control assembly and inspect the connector on the wire harness side, as shown in Fig 2 .
  Test condition:
  1. Turn ignition switch ON
  Fig 1: Identifying Connectors Terminals Of A/C Control Assembly Circuit (Wire Harness Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: A/C Control Assembly Circuit Connectors Terminals Description Table (Wire Harness Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the circuit is not as specified, inspect the circuit connected to other parts.
  
  If the circuit is as specified, proceed to "INSPECTION" in INSPECTION .
2. Connect the connector to amplifier and inspect the wire harness side connector from the back side, as shown in Fig 4 .
  Test conditions:
  - Running engine at idle speed
  - Blower speed control dial at "HI" position
  - Temperature control dial at "MAX. COOL" position
  - A/C switch ON
  Fig 3: Identifying Connectors Terminals Of A/C Control Assembly Circuit (Back Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: A/C Control Assembly Circuit Connector Terminals Description Table (Back Side) (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 5: A/C Control Assembly Circuit Connector Terminals Description Table (Back Side) (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the circuit is not as specified, proceed to "INSPECTION" on INSPECTION .
INSTALL A/C CONTROL ASSEMBLY (See INSTALLATION )