Mazda Mazda6 Workshop Manual Supplement page 252

STEP
4 INSPECT MAF SENSOR SIGNAL CIRCUIT FOR
SHORT TO GND
• Turn engine switch to OFF.
• Inspect continuity between MAF/IAT sensor
terminal C and body GND.
• Is there continuity?
5 INSPECT MAF SENSOR CIRCUIT FOR SHORT
WITH EACH OTHER
• Turn engine switch to OFF.
• Inspect continuity between MAF/IAT sensor
terminals C and B.
• Is there continuity?
6 INSPECT MAF SENSOR
• Inspect MAF sensor.
(See F2–74 MASS AIR FLOW (MAF)/INTAKE
AIR TEMPERATURE (IAT) SENSOR
INSPECTION)
• Is there any malfunction?
7 INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
8 INSPECT MAF SENSOR SIGNAL CIRCUIT FOR
OPEN
• Turn engine switch to OFF.
• Inspect continuity between MAF/IAT sensor
terminal C and PCM terminal 9.
• Is there continuity?
9 VERIFY TROUBLESHOOTING OF DTC P0102
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from PCM memory using WDS or
equivalent.
• Perform KOEO/KOER self-test.
(See F2–86 KOEO/KOER SELF-TEST
PROCEDURE)
• Is same DTC present?
10 VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See F2–86 AFTER REPAIR
• Is there any DTC present?
End Of Sie
F2–100
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE)
Yes Repair or replace harness for short to GND, go to Step 9.
No Go to next step.
Yes Repair or replace harness for short with each other, go to
Step 9.
No Go to next step.
Yes Replace MAF/IAT sensor, go to Step 9.
(See F2–36 INTAKE-AIR SYSTEM REMOVAL/
INSTALLATION)
No Go to next step.
Yes Repair or replace suspected terminal, go to Step 9.
No Go to next step.
Yes Go to next step.
No Repair or replace harness for open, go to next step.
Yes Replace PCM, go to next step.
(See F2–64 PCM REMOVAL/INSTALLATION)
No Go to next step.
Yes Go to applicable DTC inspection.
(See F2–87 DTC TABLE)
No Troubleshooting completed.
ACTION