Mazda RX8 - Page 328

Diagnostic procedure
STEP INSPECTION ACTION
Yes Go to the next step.
1
INSPECT KEYLESS CONTROL MODULE POWER
SUPPLY FUSES
• Are the keyless control module power supply fuses
normal?
No
Inspect for a short to ground in
circuit of blown fuse. Repair or
replace if necessary.
Install an appropriate amperage
fuse.
Yes Go to the next step.
2
INSPECT DOOR SWITCH INSTALLATION
• Are the door switches installed securely?
No
Install the door switches securely,
then go back to Step 5 of KEYLESS
ENTRY SYSTEM PRELIMINARY
INSPECTION.
Yes Go to the next step.
*3
INSPECT IF MALFUNCTION IS IN WIRING
HARNESS (NO CONTINUITY BETWEEN FUSE
BLOCK AND KEYLESS CONTROL MODULE) OR
ELSEWHERE
• Turn the ignition switch to the ON position.
• Measure the voltage at the following keyless control
module terminals:
 IG1 signal (terminal 2B)
 B+ signal (terminal 2A)
• Is the voltage B+ ?
No
Repair the wiring harness between
the fuse block and keyless control
module, then go to Step 13.
Yes
Repair the malfunctioning wiring
harness, then go to Step 13.
*4
INSPECT IF MALFUNCTION IS IN WIRING
HARNESS (SHORT TO B+ BETWEEN FUSE BLOCK
AND KEYLESS CONTROL MODULE, OR BETWEEN
KEYLESS CONTROL MODULE AND GROUND) OR
ELSEWHERE
• Turn the ignition switch to the LOCK position.
• Disconnect the keyless control module connector.
• Measure the voltage at the following keyless control
module connector terminal:
 IG1 signal (terminal 2B)
• Is the voltage B+ ?
No Go to the next step.
*5 Yes Go to the next step.
(w) RX-8 Body
Page 328