PCM terminal 1AK
{
P2126: APP sensor terminal H and
PCM terminal 1AG
{
P2131: APP sensor terminal B and
PCM terminal 1AC
z
Are there continuity?
No Repair or replace suspected part, then go to
Step 12.
9
INSPECT APP SENSOR SIGNAL CIRCUIT
FOR SHORT TO GROUND
z
Turn the ignition switch off.
z
Inspect for continuity between the
following terminals:
{
P2121: APP sensor terminal E and
body ground
{
P2126: APP sensor terminal H and
body ground
{
P2131: APP sensor terminal B and
body ground
z
Are there continuity?
Yes Repair or replace suspected part, then go to
Step 12.
No
Go to the next Step.
10
INSPECT APP SENSOR 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:
{
P2121: APP sensor terminal E and
body ground
{
P2126: APP sensor terminal H and
body ground
{
P2131: APP sensor terminal B and
body ground
z
Are the voltage B+?
Yes
Repair or replace suspected part, then go to
Step 12.
No
Go to the next Step.
INSPECT APP SENSOR SIGNAL CIRCUIT
FOR SHORT EACH OTHER
z
Turn the ignition switch off.
z
Disconnect PCM connector.
z
Disconnect APP sensor connector.
z
Measure the resistance between the
following APP sensor terminals (wiring
harness-side)
Yes Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:42 AM
Page 383
© 2005 Mitchell Repair Information Company, LLC.
