Mazda 3 Workshop Manual page 396

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• Verify related service repair information
availability.
• Is any related repair information available?
INSPECT POOR CONNECTION OF
VARIABLE TUMBLE SOLENOID VALVE
CONNECTOR
• Turn the ignition switch off.
3
• Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
• Is there malfunction?
INSPECT VARIABLE TUMBLE SOLENOID
VALVE
• Perform variable tumble solenoid valve
inspection.
4
(See VARIABLE TUMBLE SOLENOID VALVE
INSPECTION [LF].)
• Is variable tumble solenoid valve normal?
INSPECT PCM CONNECTOR FOR POOR
CONNECTION
• Turn the ignition switch off.
• Disconnect the PCM connector.
5
• Inspect for poor connection at PCM terminal
2AI. (such as damaged/pulled-out pins,
corrosion).
• Is there malfunction?
INSPECT VARIABLE TUMBLE SOLENOID
VALVE CONTROL CIRCUIT FOR SHORT TO
POWER SUPPLY
• Remove the variable tumble solenoid valve.
• Turn the ignition switch to the ON position
6
(Engine off).
• Measure the voltage between PCM terminal
2AI and body ground.
• Is the voltage B+?
VERIFY TROUBLESHOOTING OF DTC
P2010 COMPLETED
• Make sure to reconnect all disconnected
7
connectors.
• Clear the DTC from the PCM memory using
the WDS or equivalent.
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• If the vehicle is not repaired, go to the next
step.
No Go to the next step.
Repair or replace the terminal, then go to
Yes
Step 7.
No Go to the next step.
Yes Go to the next step.
Replace the variable tumble solenoid valve,
No
then go to Step 7.
Yes Repair terminal, then go to Step 7.
No Go to the next step.
Repair or replace the wiring harness for
Yes short to power supply, then go to the next
step.
No Go to the next step.
Replace the PCM, then go to the next step.
Yes
(See PCM REMOVAL/INSTALLATION
[LF].)
No Go to the next step.
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