3
INSPECT PSP SWITCH CONNECTOR
FOR POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the PCM connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
z
Is there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 8.
No
Go to the next step.
4
INSPECT PSP SWITCH CIRCUIT FOR
SHORT TO GROUND
z
Turn the ignition switch off.
z
Inspect for continuity between PSP
switch terminal A (wiring harness-side)
and body ground.
z
Is there continuity?
Yes Repair or replace suspected part, then go to
Step 8.
No
Go to the next step.
5
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the PCM connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
z
Is there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 8.
No
Go to the next step.
6
INSPECT PSP SWITCH CIRCUIT FOR
OPEN CIRCUIT
z
Inspect for continuity between PSP
switch terminal A (wiring harness-side)
and PCM terminal 21 (wiring harness-
side)
z
Is there continuity?
Yes Go to the next step.
No
Repair or replace suspected part, then go to
Step 8.
7
INSPECT FOR CORRECT PCM
OPERATION
z
Disconnect all the PCM connectors.
z
Visually inspect for:
{
Pushed out pins
{
Corrosion
z
Connect all the PCM connectors and
verify that they seat correctly.
z
Retrieve DTCs using the M-MDS.
Yes Go to the next step.
No
The system is correctly. 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 10:08:41 AM
Page 353
© 2005 Mitchell Repair Information Company, LLC.
