Toyota Yaris: Heating / Air Conditioning / Air Conditioning Amplifier
Other information:
DESCRIPTION These DTCs are stored when a malfunction occurs in the active noise control microphone RH system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA696 Front Right Microphone Circuit Component Internal Failure Stereo component equalizer assembly detects malfunction in active noise control microphone RH for 4 seconds or more continuously when engine speed is 1200 rpm or more*
Harness or connector
Active noise control microphone RH
Stereo component equalizer assembly
B1AA71C Front Right Microphone Circuit Circuit Voltage Out of Range Stereo component equalizer assembly detects active noise control microphone RH connection malfunction for 4 seconds or more continuously*
Harness or connector
Active noise control microphone RH
Stereo component equalizer assembly
HINT: *: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection...
DESCRIPTION If air does not flow from the front registers after the blower switch on the air conditioning control assembly is operated, the following factors may be the cause. Symptom Factor Blower motor does not operate at all
(Air does not blow from registers)
Harness or connector
Air conditioning amplifier assembly malfunction
Blower motor with fan sub-assembly malfunction
Warm-up control
Engine coolant temperature sensor malfunction
PROCEDURE 1...
Categories
Before refueling, close all the doors, windows, and the liftgate/trunk
lid, and switch the ignition OFF.
To open the fuel-filler lid, pull
the remote fuel-filler lid release.

To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the
inner side of the fuel-filler lid.
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