Mazda RX8 - Page 325

INSPECT HORN OPERATION DURING ON-
BOARD DIAGNOSIS
• Dose horn sound intermittently during on-board
diagnostic function operation?
No Go to the next step.
Yes Go to the next step.
6
INSPECT HORN CIRCUIT
• Does horn sound when the horn switch on the
vehicle is pressed?
No Inspect the horn circuit.
Yes
Replace the keyless control module and
reprogram the keyless control module ID
code, then go to Step 14.
*7
INSPECT IF MALFUNCTION IS IN WIRING
HARNESS (NO CONTINUITY BETWEEN
KEYLESS CONTROL MODULE AND HORN
RELAY) OR KEYLESS CONTROL MODULE
• Turn the ignition switch to the LOCK position.
• Disconnect the keyless control module connector
and horn relay connector.
• Is there continuity between keyless control
module connector terminal 2C and horn relay
connector?
No
Repair the wiring harness between the
keyless control module and horn relay,
then go to Step 14.
Yes Go to Step 11.
8
CHECK TRUNK LID OPERATION DURING ON-
BOARD DIAGNOSIS
• Does the trunk lid open during on-board
diagnostic function operation?
No Go to the next step.
Yes Go to the next step.
9
INSPECT TRUNK LID OPENER SYSTEM
• Does the trunk lid open by the trunk lid opener
switch?
No Inspect the trunk lid opener system.
Yes
Replace the keyless control module and
the reprogram transmitter ID code, then
go to Step 14.
*10
INSPECT IF MALFUNCTION IS IN TRUNK LID
OPENER RELAY CIRCUIT OR KEYLESS
CONTROL MODULE
• Disconnect the keyless control module connector.
• Measure the voltage at keyless control module
connector terminal 2E.
• Is the voltage approx. 12 V ?
No
Inspect the trunk lid opener relay
circuit.
Yes
Reinspect the malfunction symptoms,
then repeat from Step 1 if the
malfunction recurs.
11
VERIFY THAT ALL DOORS LOCK AND
UNLOCK DURING ON-BOARD DIAGNOSIS
• Do all doors unlock and lock during on-board
diagnostic function operation?
No Go to the next step.
(w) RX-8 Body
Page 325