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 the chart below.
  Test condition:
  
  Turn ignition switch ON
  
  Fig 1: Identifying Connector Terminal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Connector Terminal Reference Chart
  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 .
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 Connector Terminal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Connector Terminal Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the circuit is not as specified, proceed to INSPECTION .
INSTALL A/C CONTROL ASSEMBLY (See INSTALLATION )