Mazda RX-8 Manual page 690

INSPECT IGNITION COIL OPERATION
AND HIGH-TENSION LEAD WITH
TIMING LIGHT
Inspect the blinking condition on
•
each high-tension lead using timing
light at idle.
Do all the high-tension leads show
•
blinking condition?
INSPECT HIGH-TENSION LEAD OF NO
BLINKING HIGH-TENSION LEAD
Inspect the high-tension leads.
•
14
(See HIGH-TENSION LEAD
INSPECTION .)
Is there any malfunction?
•
INSPECT IGNITION COIL POWER
CIRCUIT FOR OPEN CIRCUIT OR
SHORT TO GND
Turn the ignition switch to the ON
•
15
position (Engine off).
Measure the voltage between
•
ignition coil terminal C (wiring
harness-side) and body GND.
Is the voltage B+ ?
•
INSPECT IGNITION COIL
Inspect the ignition coil.
•
16
(See IGNITION COIL
INSPECTION .)
Is there any malfunction?
•
INSPECT AIR SYSTEM OPERATION
Perform the "AIR System
•
Inspection".
17
(See Secondary Air Injection (AIR)
System Inspection .)
Does AIR system operate properly?
•
No Go to the next step.
Replace the malfunctioning high-tension lead, then
go to Step 24.
Yes
(See HIGH-TENSION LEAD
REMOVAL/INSTALLATION .)
No Go to the next step.
Yes Go to the next step.
Repair or replace the wiring harness for a possible
No
open circuit or short to GND, then go to Step 24.
Replace the ignition coil, then go to Step 24.
Yes
(See IGNITION COIL
REMOVAL/INSTALLATION .)
No Go to the next step.
Yes Go to the next step.
Repair or replace malfunctioning part according to
the inspection results.
No
Then go to Step 23.
(w) Engine Diagnostics & Control
Page 127