Mazda RX-8 Workshop Manual page 3236

Turn the ignition switch to OFF.
Disconnect the auto leveling control
module and instrument cluster connectors.
Verify continuity between auto leveling
control module terminal V and GND.
Is there continuity?
12 INSPECT IF THE MALFUNCTION IS IN INSTRUMENT
CLUSTER
Turn the ignition switch to OFF.
Connect the instrument cluster connector
(with auto leveling control module
connector disconnected).
Short to GND at auto leveling control
module terminal V using the jumper wire.
Turn the ignition switch to ON position.
Does the auto leveling warning light
illuminate?
13 INSPECT WIRING HARNESS BETWEEN AUTO
LEVELING CONTROL MODULE AND HEADLIGHT
LEVELING ACTUATOR
Verify if there is an open or short circuit in the following
wiring harnesses and connectors.
Right side
auto leveling control module terminal J
and headlight leveling actuator (right)
terminal F
auto leveling control module terminal L
and headlight leveling actuator (right)
terminal H
auto leveling control module terminal I
and headlight leveling actuator (right)
terminal G
Left side
auto leveling control module terminal J
and headlight leveling actuator (left)
terminal F
auto leveling control module terminal L
No Go to the next step.
YesGo to the next step.
No Replace the instrument cluster.
(See INSTRUMENT CLUSTER
REMOVAL/INSTALLATION.)
YesRepair the open or short circuit or
replace the wiring harness.
No Go to the next step.