Mazda RX-8 Workshop Manual page 2981

Is there continuity between keyless
receiver terminal E and ground?
INSPECT COMMUNICATION CIRCUIT FOR
2
CONTINUITY
Disconnect keyless control module
connector.
Inspect the wiring harness between
keyless receiver terminal A and keyless
control module terminal 3A, and keyless
receiver terminal C and keyless control
module terminal 3C for the following:
Is there continuity?
INSPECT KEYLESS RECEIVER POWER SUPPLY
3
CIRCUIT
Turn ignition switch to ON position.
Measure voltage at terminal 3A of keyless
control module connector.
Is voltage more than 7.5 V?
Short to ground
Short to power supply
Open circuit
harness between the
keyless receiver and
ground.
Go to next step.
YesGo to next step.
No Repair the wiring
harness between the
keyless receiver and
keyless control
module.
Go to next step.
YesReplace keyless receiver.
(See KEYLESS RECEIVER
REMOVAL/INSTALLATION [WITH
ADVANCED KEYLESS ENTRY AND
START SYSTEM])
No Replace the keyless control module and
perform the resetting procedure for the
advanced keyless system when
replacing the keyless control module.
(See KEYLESS CONTROL MODULE
REMOVAL/INSTALLATION.)
(See CARD KEY ID CODE
REGISTRATION [WITH ADVANCED
KEYLESS ENTRY AND START
(See STEERING LOCK UNIT ID CODE
REGISTRATION [WITH ADVANCED
KEYLESS ENTRY AND START
(See KEYLESS CONTROL MODULE
CONFIGURATION)
(See IMMOBILIZER SYSTEM-RELATED
PARTS PROGRAMMING [WITH
ADVANCED KEYLESS ENTRY AND
START SYSTEM])
SYSTEM])
SYSTEM])