Mazda RX-8 Manual page 949

Diagnostic procedure
STEP INSPECTION
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
1
Has FREEZE FRAME DATA been
•
recorded?
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
2 Verify related Service Bulletins and/or on-
•
line repair information availability.
Is any related repair information available?
•
INSPECT APP SENSOR CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
•
3
Disconnect the APP sensor connector.
•
Inspect for poor connection (such as
•
damaged/pulled-out pins, corrosion).
Is there any malfunction?
•
INSPECT APP SENSOR NO.2 SIGNAL
CIRCUIT FOR SHORT TO POWER SUPPLY
Turn the ignition switch to the ON position
•
(Engine off).
4
Measure the voltage between APP sensor
•
terminal C (wiring harness-side) and body
GND.
Is the voltage B+ ?
•
INSPECT APP SENSOR NO.2
Inspect the APP sensor No.2.
•
5
(See ACCELERATOR PEDAL POSITION
(APP) SENSOR INSPECTION .)
Is there any malfunction ?
•
INSPECT PCM CONNECTOR FOR POOR
6
CONNECTION
ACTION
Yes Go to the next step.
Record the FREEZE FRAME DATA on the
No
repair order, then go to the next step.
Perform repair or diagnosis according to the
available repair information.
Yes
If the vehicle is not repaired, go to the
•
next step.
No Go to the next step.
Repair or replace the terminal, then go to Step
Yes
8.
No Go to the next step.
Repair or replace the wiring harness for a
Yes possible short to power supply, then go to Step
8.
No Go to the next step.
Replace the APP sensor, then go to Step 8.
Yes
(See ACCELERATOR PEDAL
REMOVAL/INSTALLATION .)
No Go to the next step.
Repair or replace the terminal, then go to Step
Yes
8.
(w) Engine Diagnostics & Control
Page 386