Mazda CX-9 Grand Touring 2009 Manual page 1247

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
PCM terminal 1AK
P2126: APP sensor terminal H and
PCM terminal 1AG
P2131: APP sensor terminal B and
PCM terminal 1AC
Are there continuity?
INSPECT APP SENSOR SIGNAL CIRCUIT
FOR SHORT TO GROUND
Turn the ignition switch off.
Inspect for continuity between the
following terminals:
P2121: APP sensor terminal E and
9
body ground
P2126: APP sensor terminal H and
body ground
P2131: APP sensor terminal B and
body ground
Are there continuity?
INSPECT APP SENSOR SIGNAL CIRCUIT
FOR SHORT TO POWER SUPPLY
Turn the ignition switch to the ON position
(Engine off).
Measure the voltage between the following
terminals:
10
P2121: APP sensor terminal E and
body ground
P2126: APP sensor terminal H and
body ground
P2131: APP sensor terminal B and
body ground
Are the voltage B+?
INSPECT APP SENSOR SIGNAL CIRCUIT
FOR SHORT EACH OTHER
Turn the ignition switch off.
Disconnect PCM connector.
Disconnect APP sensor connector.
Measure the resistance between the
following APP sensor terminals (wiring
harness-side)
2008 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes Go to the next step.
Repair or replace suspected part, then go to
Step 12.
Repair or replace suspected part, then go to
Step 12.
Go to the next Step.
Repair or replace suspected part, then go to
Step 12.
Go to the next Step.