(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Active Test.
(e) Check the operation by referring to the table below.
Air Conditioner
OK:
Recirculation damper position changes in accordance with each control range.
NG -- INSPECT AIR INLET CONTROL SERVO MOTOR
OK -- REPLACE A/C AMPLIFIER
3. INSPECT AIR INLET CONTROL SERVO MOTOR
(a) Replace the air inlet control servo motor See: Heating and Air Conditioning/Blower Motor/Service and
Repair/Overhaul/Disassembly.
HINT
Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known
good one and check that the condition returns to normal.
(b) Check for the DTC.
Result:
B -- END (AIR INLET CONTROL SERVO MOTOR WAS DEFECTIVE)
A -- Continue to next step.
4. INSPECT AIR CONDITIONING HARNESS
(a) Replace the air conditioning harness See: Heating and Air Conditioning/Housing Assembly HVAC/Service and
Repair/Overhaul/Disassembly.
HINT
Since the air conditioning harness cannot be inspected while it is removed from the vehicle, replace the air conditioning harness
with a new or a known good one and check that the condition returns to normal.
(b) Check for the DTC.
Result:
B -- END (AIR CONDITIONING HARNESS WAS DEFECTIVE)
A -- REPLACE A/C AMPLIFIER
From 08/2009
HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1442/42: Air Inlet Damper Control Servo Motor Circuit
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