Mazda RX-8 Workshop Manual page 2479

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2011 - RX-8 - HVAC
DTC 59
DTC 59 Airflow mode actuator (motor lock) system inspection
POSSIBLE
CAUSE
Diagnostic Procedure
STEP
1 Disconnect the airflow mode actuator connector.
Connect battery positive voltage to airflow mode
actuator terminal F (or terminal G) and ground to
terminal G (or terminal F).
Does the airflow mode actuator operate?
2 Remove the airflow mode actuator.
Operate the airflow mode main link manually.
Does the airflow mode main link operate
smoothly?
3 Disconnect the A/C amplifier connector (24-pin).
Connect battery positive voltage to A/C amplifier
Airflow mode actuator malfunction
A/C unit (airflow mode link and airflow mode crank) malfunction
Connector or terminal malfunction
Open circuit in wiring harness between A/C amplifier connector terminals 1W
and 1X
Short to ground in wiring harness between A/C amplifier connector terminals
1W and 1X
INSPECTION ACTION
YesConnect the connector, then go to
Step 3.
No Go to the next step.
YesReplace the airflow mode actuator.
(See AIRFLOW MODE ACTUATOR
REMOVAL/INSTALLATION [FULL-
AUTO AIR CONDITIONER].)
No Replace the airflow mode main link,
airflow mode sub link, and the airflow
mode crank.
YesInspect the connection at the A/C
amplifier connector (24-pin).