1
z
Disconnect the PLG control module
connector.
z
Disconnect the PLG drive unit
connector.
z
Inspect the wiring harness between
PLG control module terminals 21 and
2G, and PLG drive unit terminals M
and N for an open circuit.
z
Is the wiring harness normal?
Yes
Replace the PLG drive unit.
(See
POWER LIFTGATE (PLG) DRIVE
UNIT REMOVAL/INSTALLATION
.)
Go to the next step.
No
Repair or replace the wiring harness.
Go to the next step.
2
VERIFY CORRECTION COMPLETED
z
Reconnect the disconnected connector.
z
Clear the DTC.
z
Operate the PLG system.
z
Is DTC B2939 stored?
Yes
Replace the PLG control module.
(See
POWER LIFTGATE (PLG)
CONTROL MODULE
REMOVAL/INSTALLATION
.)
No
DTC troubleshooting completed.
2008 Mazda CX-9 Grand Touring
2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:46:08 AM
Page 42
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