Dtc P0511 [Lf] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
INSPECT ACCELERATOR CABLE FREE
PLAY
• Turn the ignition switch off.
5
• Is accelerator cable free play normal?
(See ACCELERATOR CABLE
INSPECTION/ADJUSTMENT
INSPECT ACTUATOR CABLE FREE
PLAY
6
• Is actuator cable adjustments normal?
INSPECT VACUUM HOSE CONNECTION
• Are vacuum hoses connected completely?
7
(See INTAKE-AIR SYSTEM HOSE
ROUTING DIAGRAM
VISUAL INSPECT THROTTLE VALVE
• Remove throttle body.
8
• Is throttle valve fully closed?
VERIFY TROUBLESHOOTING OF DTC
P0507 COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Start engine.
9
• Clear the DTC from the PCM memory
using the WDS or equivalent.
• Depress brake pedal for 14 s or more.
• Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
10
(See AFTER REPAIR PROCEDURE
• Are any DTC present?
DTC P0511
Downloaded from
Yes Go to the next step.
No
[LF].)
Yes Go to the next step.
No
Yes Go to the next step.
No
[LF].)
Yes Go to the next step.
No
Yes
No Go to the next step.
Yes
[LF].)
No Troubleshooting completed.

DTC P0511 [LF]

IAC valve circuit problem
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Adjust accelerator cable free play, then go to
Step 9.
(See ACCELERATOR CABLE
INSPECTION/ADJUSTMENT
Adjust actuator cable free play, then go to Step
9.
Reconnect the vacuum hose accurately, then
go to step 9.
Clean or replace the throttle body, then go to
the next step.
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
Go to the applicable DTC troubleshooting.
(See DTC TABLE [LF].)
- automotive repair manuals website
[LF].)
[LF].)
B3E010201087W05