Mazda RX8 - Page 35

Yes
DTC is displayed:
Go to the applicable DTC inspection.
(See DTC TABLE .)
OR
Communication error message is
displayed:
Inspect for the following:
• Open circuit between main relay and
PCM terminal 5AC or 5AF
• Open main relay GND circuit
• The main relay is stuck open.
• Open or poor GND circuit (PCM
terminal 4A, 4J, 5T, 5D, 5O or 5R)
• Poor connection of vehicle body
GND
10
Connect the WDS or equivalent
to the DLC-2.
Turn the ignition switch to the ON
position (Engine off).
Retrieve any DTCs.
Are there any DTCs displayed?
No
No DTC is displayed:
Go to the next step.
Yes Go to the next step.
11
Connect the WDS or equivalent
to the DLC-2.
Access the APP1 and APP2 PIDs.
Crank the engine with the
accelerator pedal released.
Are the APP1 and APP2 PIDs
indicating that the accelerator
pedal is in the released position?
No
Inspect for the following:
• APP sensor
• Wiring harnesses and connectors
between PCM and APP sensor
! PCM terminal 4YAPP
sensor terminal D
! PCM terminal 5FAPP
sensor terminal F
! PCM terminal 5AEAPP
sensor terminal E
! PCM terminal 4XAPP
sensor terminal A
! PCM terminal 5CAPP
sensor terminal C
! PCM terminal 5ABAPP
sensor terminal B
12 Yes Go to the next step.
(w) RX8-Engine Troubleshooting
Page 35