Mazda RX-8 Workshop Manual page 2540

Turn ignition switch to ON position.
Set fan switch to 4th position.
Does air intake mode
(RECIRCULATE, FRESH) change
smoothly when air intake link is
operated by hand?
7 INSPECT AIR INTAKE ACTUATOR
Inspect air intake actuator.
(See
INSPECTION [MANUAL AIR
CONDITIONER].)
Is it normal?
8 INSPECT AIR INTAKE SELECTOR SWITCH AND
DEFROSTER SWITCH IN A/C AMPLIFIER
Test voltage at A/C amplifier
connector (24-pin) terminals 1I and
1J.
Is it normal?
9* INSPECT WIRING HARNESS BETWEEN A/C
AMPLIFIER AND AIR INTAKE ACTUATOR FOR
CONTINUITY
Turn ignition switch to LOCK
position.
Is there continuity between the
following A/C amplifier connector
(24-pin) terminals and air intake
actuator connector terminals?
10* INSPECT WIRING HARNESS BETWEEN A/C
AMPLIFIER AND AIR INTAKE ACTUATOR FOR
SHORT TO GROUND
AIR INTAKE ACTUATOR
Terminal 1I—
Terminal A (FRESH
signal)
Terminal 1J—
Terminal C
(RECIRCULATE
signal)
YesGo to next step.
No Replace air intake actuator, go to Step 14.
(See AIR INTAKE ACTUATOR
REMOVAL/INSTALLATION [MANUAL AIR
CONDITIONER].)
YesGo to next step.
No Replace A/C amplifier, then go to Step 14.
YesGo to next step.
No Repair wiring harness between A/C amplifier
and air intake actuator, then go to Step 14.
YesRepair wiring harness between A/C amplifier
and air intake actuator, then go to Step 14.