Mazda RX-8 Manual page 849

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 NEUTRAL SWITCH CONNECTOR
FOR POOR CONNECTION
Turn the ignition switch off.
•
3
Disconnect the neutral switch connector.
•
Inspect for poor connection (such as
•
damaged/pulled-out pins, corrosion).
Is there any malfunction?
•
INSPECT NEUTRAL SWITCH GND CIRCUIT
FOR OPEN CIRCUIT
Turn the ignition switch off.
•
4
Inspect for continuity between neutral
•
switch terminal 1A (wiring harness-side)
and body GND.
Is there any continuity?
•
INSPECT NEUTRAL SWITCH SIGNAL
CIRCUIT FOR SHORT TO GND
Turn the ignition switch off.
•
5
Inspect for continuity between neutral
•
switch terminal 2A (wiring harness-side)
and body GND.
Is there any continuity?
•
6 INSPECT NEUTRAL SWITCH
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
Yes
Step 9.
No Go to the next step.
Yes Go to the next step.
Repair or replace the wiring harness for a
No
possible open circuit, then go to Step 9.
Repair or replace the wiring harness for a
Yes
possible short to GND, then go to Step 9.
No Go to the next step.
Replace the neutral switch, then go to Step 9.
Yes
(See NEUTRAL SWITCH
REMOVAL/INSTALLATION .)
(w) Engine Diagnostics & Control
Page 286