6
z
Turn the ignition switch off.
z
Inspect for continuity between the
following terminals (wiring 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 E and
PCM terminal 1AK.
z
Are there continuity?
Yes Go to the next step.
No
Repair or replace suspected part, then go to Step
8.
7
INSPECT APP SENSOR NO.1 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 E 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 P2123 HAS BEEN COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
Yes
Replace the PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7]
.)
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:43 AM
Page 391
© 2005 Mitchell Repair Information Company, LLC.
