Dtc P0506 [Z6] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
next step for vehicles without
A/C.
• Turn the A/C switch off.
• Is magnetic clutch still on?
INSPECT GENERATOR CONTROL
CIRCUIT MALFUNCTION
5
• Apply electrical load.
• Is engine speed increased?
INSPECT AIR CLEANER ELEMENT
• Remove the air cleaner element with
6
the engine running.
• Is the engine speed increased?
INSPECT THROTTLE BODY
PASSAGE
7
• Is throttle body clogged?
INSPECT ENGINE COMPRESSION
• Inspect engine compression.
8
(See COMPRESSION INSPECTION
[Z6].)
• Is engine compression normal?
VERIFY TROUBLESHOOTING OF
DTC P0505 COMPLETED
• Make sure to reconnect all
disconnected connectors.
9
• Clear the DTC using the WDS or
equivalent.
• Perform KOER self-test.
• Is the same DTC present?
VERIFY AFTER REPAIR
PROCEDURE
• Perform the "AFTER REPAIR
PROCEDURE".
10
(See AFTER REPAIR PROCEDURE
[Z6].)
• Are any DTCs present?
Downloaded from
Yes Go to the next step.
Repair short to power supply in generator control
No
circuit, then go to Step 9.
Clean or replace the air cleaner element, then go to
Yes
Step 9.
No Go to the next step.
Clean the throttle body passage or replace the
Yes
throttle body, then go to Step 9.
No Go to the next step.
Yes Go to the next step.
No Overhaul engine, then go to the next step.
Replace the PCM, then go to the next step.
Yes
(See
No Go to the next step.
Go to the applicable DTC inspection.
Yes
(See
No DTC troubleshooting completed.

DTC P0506 [Z6]

https://carmanualshub.com/
PCM REMOVAL/INSTALLATION
DTC TABLE [Z6].)
- automotive repair manuals website
[Z6].)