Mazda CX-9 Grand Touring 2009 Manual page 1061

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Turn the ignition switch to the ON
position (Engine off).
Inspect continuity between ignition
6
coil terminal C (wiring harness-side)
and body ground.
Is there continuity?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
7
Disconnect PCM connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Is there any malfunction?
INSPECT IGNITION COIL SIGNAL
CIRCUIT FOR OPEN CIRCUIT
Inspect continuity between the
following circuits:
Ignition coil No.1 terminal C
(wiring harness-side) and PCM
terminal 2A (wiring harness-
side)
Ignition coil No.2 terminal C
(wiring harness-side) and PCM
terminal 2F (wiring harness-side)
Ignition coil No.3 terminal C
(wiring harness-side) and PCM
terminal 2K (wiring harness-
8
side)
Ignition coil No.4 terminal C
(wiring harness-side) and PCM
terminal 2W (wiring harness-
side)
Ignition coil No.5 terminal C
(wiring harness-side) and PCM
terminal 2AA (wiring harness-
side)
Ignition coil No.6 terminal C
(wiring harness-side) and PCM
terminal 2AE (wiring harness-
side)
Are there continuity?
2008 Mazda CX-9 Grand Touring
Repair or replace suspected part, then go to Step
Yes
10.
No
Repair or replace suspected part, then go to Step
Yes
10.
No
Yes Go to the next step.
Repair or replace suspected part, then go to Step
No
Go to the next step.
Go to the next step.
10.