Mazda CX-9 Grand Touring 2009 Manual page 2156

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9
DIAGNOSTIC PROCEDURE
DTC B2821 - DIAGNOSTIC PROCEDURE
STEP
INSPECT LIFTGATE LOCK ACTUATOR
Inspect the liftgate lock actuator.
1
(See LIFTGATE LATCH AND
LOCK ACTUATOR INSPECTION .)
Is the liftgate lock actuator normal?
2008 Mazda CX-9 Grand Touring
INSPECTION ACTION
Yes Go to the next step.
Replace the liftgate latch and lock actuator.
(See LIFTGATE LATCH AND LOCK
No ACTUATOR
REMOVAL/INSTALLATION .)
Go to Step 5.