Mazda 3 Workshop Manual page 225

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
INSPECT FRONT HO2S
• Inspect the front HO2S.
9
(See FRONT HEATED OXYGEN
SENSOR (HO2S) INSPECTION
• Is there any malfunction?
INSPECT FUEL INJECTOR
• Inspect the fuel injector.
10
(See FUEL INJECTOR
• Is there any malfunction?
INSPECT FUEL LINE PRESSURE
• Perform the "FUEL LINE PRESSURE
INSPECTION".
11
(See FUEL LINE PRESSURE
INSPECTION.)
• Is there any malfunction?
INSPECT FUEL SYSTEM FOR FUEL
LEAKAGE
• Visually inspect the fuel system for fuel
12
leakage.
• Is there fuel leakage?
VERIFY TROUBLESHOOTING OF DTC
P2195 COMPLETED
• Make sure to reconnect all
disconnected connectors.
• Clear the DTC from the PCM memory
using the WDS or equivalent.
13
• Perform the "HO2S heater, HO2S, and
TWC Repair Verification Drive Mode".
(See OBD DRIVE MODE
• Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR PROCEDURE
• Perform the "AFTER REPAIR
PROCEDURE".
14
(See AFTER REPAIR PROCEDURE
[Z6].)
• Are any DTCs present?
Downloaded from
Yes
[Z6].)
No Go to the next step.
Yes
INSPECTION.)
No Go to the next step.
Yes Go to the next step.
No Go to Step 13.
Yes
No
Yes
No Go to the next step.
[Z6].)
Yes
No DTC troubleshooting completed.
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Replace the front HO2S, then go to Step 13.
(See FRONT HEATED OXYGEN SENSOR
(HO2S) REMOVAL/INSTALLATION
Replace suspected fuel injector, then go to Step
13.
(See FUEL INJECTOR
REMOVAL/INSTALLATION
Repair or replace the malfunctioning part, then go
to the next step.
Replace the fuel pump unit, then go to the next
step.
(See FUEL PUMP UNIT
REMOVAL/INSTALLATION.)
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
Go to the applicable DTC inspection.
(See DTC TABLE [Z6].)
- automotive repair manuals website
[Z6].)
[Z6].)
[Z6].)