Mazda CX-9 Grand Touring 2009 Manual page 894

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Turn the ignition switch off.
Disconnect the PCM connector.
Turn the ignition switch to the ON
position (Engine off).
6
Measure the voltage between the OCV
(RH) connector terminal B (wiring
harness-side) and body ground.
Is the voltage B+ ?
INSPECT OCV (RH) CIRCUIT FOR
SHORT TO GROUND
Turn the ignition switch off.
7
Inspect for continuity between OCV
(RH) terminal B (wiring harness-side)
and body ground.
Is there continuity?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Disconnect the PCM connector.
8
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Is there any malfunction?
INSPECT OCV (RH) CIRCUIT FOR
OPEN CIRCUIT
Turn the ignition switch off.
9 Measure the resistance between the
OCV (RH) connector terminal B
(wiring harness-side) and PCM
terminal 2BP (wiring harness-side).
Is there continuity?
VERIFY TROUBLESHOOTING OF
DTC P0010 HAS BEEN COMPLETED
Verify that all disconnected
connectors reconnected.
10
Turn the ignition switch to the ON
position (Engine off).
Clear the DTC from the PCM memory
using the M-MDS.
Start the engine and run it at idle.
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
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 the
No
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
Go to the next step.
Go to the next step.
Go to the next step.
next step.