Mazda CX-9 Grand Touring 2007 Manual page 556

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
ignition coil terminal C (wiring
harness-side) and body ground.
Is the voltage B+ ?
6 INSPECT IGNITION COIL SIGNAL
CIRCUIT FOR SHORT TO
GROUND
Turn the ignition switch to the ON
position (Engine off).
Inspect continuity between
ignition coil terminal C (wiring
harness-side) and body ground.
Is there continuity?
7 INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
Disconnect PCM connector.
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
Is there any malfunction?
8 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-side)
Ignition coil No.4 terminal
C (wiring harness-side) and
PCM terminal 2W (wiring
harness-side)
Ignition coil No.5 terminal
2007 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes
No
Go to the next step.
Repair or replace suspected part, then go to
Step 10.
Go to the next step.
Repair or replace suspected part, then go to
Step 10.
Go to the next step.
Go to the next step.
Repair or replace suspected part, then go to
Step 10.