Dtc P0108 [Lf] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
INSPECT MAP SENSOR SIGNAL AND
GROUND CIRCUIT FOR SHORT EACH
OTHER
• Inspect for continuity between MAP
sensor terminals D and A (wiring harness-
side).
• Is there continuity?
VERIFY TROUBLESHOOTING OF DTC
P0107 COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn the ignition switch to the ON
7
position (Engine off).
• Clear the DTC from the memory using
the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
8
(See AFTER REPAIR PROCEDURE
[LF].)
• Are any DTC present?
DTC P0108
DETECTION
CONDITION
Downloaded from
No Go to the next step.
Yes
No Go to the next step.
Yes
No Troubleshooting completed.

DTC P0108 [LF]

MAP sensor circuit high input
• The PCM monitors the input voltage from the MAP sensor when the intake
air temperature is above 10 °C {50 °F}. If input the voltage at PCM terminal
2AL is above 4.9V, the PCM determines that the MAP sensor circuit has
malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition
during first drive cycle.
• PENDING CODE is available if the PCM detects the above malfunction
condition.
• FREEZE FRAME DATA is available.
• DTC is stored in the PCM memory.
https://carmanualshub.com/
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].)
B3E010201084W09