Mazda 3 Workshop Manual page 280

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
• Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
• Verify related service repair information
2
availability.
• Is any related repair information
available?
VERIFY MAP PID WHEN MAP SENSOR
CONNECTOR IS DISCONNECTED
• Disconnect the MAP sensor connector.
• Connect the WDS or equivalent to DLC-
3
2.
• Access MAP PID.
• Is the voltage above 4.9 V?
INSPECT POWER SUPPLY CIRCUIT
VOLTAGE AT MAP SENSOR
CONNECTOR
Note
• If DTC P0122 and P2228 are
also retrieved with P0107, go to
CONSTANT VOLTAGE
4
troubleshooting procedure.
• Turn the ignition switch to the ON
position (Engine off).
• Measure the voltage between MAP
sensor terminal C (wiring harness-side)
and body ground.
• Is the voltage within 4.5- 5.5 V?
INSPECT MAP SENSOR SIGNAL
CIRCUIT FOR SHORT TO GROUND
• Turn the ignition switch off.
• Disconnect the PCM connector.
5
• Inspect continuity between MAP sensor
terminal D (wiring harness-side) and body
ground.
• Is there continuity?
6
Downloaded from
No
Yes
No Go to the next step.
Yes Go to the next step.
No Go to Step 5.
Yes
No
Yes
No Go to the next step.
Yes
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Record the FREEZE FRAME DATA on the
repair order, then go to the next step.
Perform repair or diagnosis according to the
available repair information.
• If the vehicle is not repaired, go to the next
step.
Inspect for poor connection at MAP sensor
terminal C (wiring harness-side).
• Repair or replace the terminal if necessary.
• If there is no malfunction, replace the MAP
sensor.
Then go to Step 7.
Inspect for open circuit in wiring harness
between PCM terminal 2W (wiring harness-side)
and MAP sensor terminal C (wiring harness-
side).
Repair or replace suspected wiring harness,
then go to Step 7.
Repair or replace the wiring harness, then go to
Step 7.
Repair or replace the wiring harness, then go to
the next step.
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