REAR AIR MIX ACTUATOR INSPECTION

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1. Connect battery positive voltage to rear air mix actuator terminal F (or G), connect terminal G (or F) to ground, and then verify that the rear air mix actuator operates as shown in the table.

  • If the operation condition is not normal, replace the rear air mix actuator.

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Terminal | Rear air mix actuator operation
--- | ---
F | G
B+ | Ground | COLD → HOT
Ground | B+ | HOT → COLD

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2. Verify that the resistance between the terminals terminals C and E, and E and A matches the rear air mix actuator operation as shown in the graph.

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  • If the operation condition and resistance are not normal, replace the rear air mix actuator.