Mazda RX-8 Manual page 700

Diagnostic procedure
STEP INSPECTION
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
1
Has FREEZE FRAME DATA been
•
recorded?
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
Verify related Service Bulletins and/or
•
2
on-line repair information availability.
Is any related repair information
•
available?
INSPECT THROTTLE BODY CONNECTOR
FOR POOR CONNECTION
Turn the ignition switch off.
•
3
Disconnect the throttle body connector.
•
Inspect for poor connection (such as
•
damaged/pulled-out pins, corrosion).
Is there any malfunction?
•
INSPECT TP SENSOR NO.2 CIRCUIT FOR
SHORT TO GND
Turn the ignition switch off.
•
Inspect for continuity between the
•
following circuits:
4
Throttle body terminal E (wiring
harness-side) and body GND
Throttle body terminal D (wiring
harness-side) and body GND
Is there any continuity?
•
INSPECT TP SENSOR NO.2
Inspect the TP sensor No.2.
•
5
(See THROTTLE POSITION (TP)
SENSOR INSPECTION .)
Is there any malfunction ?
•
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 GND, then go to Step 8.
No Go to the next step.
Replace the throttle body, then go to Step 8.
Yes
(See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION .)
No Go to the next step.
(w) Engine Diagnostics & Control
Page 137