harness-side).
{
APP sensor terminal F and
PCM terminal 1BA.
{
APP sensor terminal D and
PCM terminal 1Y.
{
APP sensor terminal G and
PCM terminal 1AD.
{
APP sensor terminal C and
PCM terminal 1AH.
{
APP sensor terminal H and
PCM terminal 1AG.
z
Are there continuity?
No
Repair or replace suspected part, then go to
Step 8.
7
INSPECT APP SENSOR NO.2
SIGNAL CIRCUIT FOR SHORT TO
POWER SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure the voltage between the
following terminals (wiring
harness-side).
{
APP sensor terminal F and
body ground.
{
APP sensor terminal D and
body ground.
{
APP sensor terminal G and
body ground.
{
APP sensor terminal C and
body ground.
{
APP sensor terminal H and
body ground.
z
Are there voltage
B+
?
Yes
Repair or replace suspected part, then go to
Step 8.
No
Go to the next step.
8
VERIFY TROUBLESHOOTING OF
DTC P2128 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start the engine.
z
Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:39 AM
Page 434
© 2005 Mitchell Repair Information Company, LLC.