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4 CHECK POWER SUPPLY
1. Disconnect Mass air flow sensor harness connector.
AEC131A
2. Turn ignition switch ON.
3. Check voltage between terminal 2 and ground with CONSULT-II or tester.
SEF126V
Voltage: Battery voltage
OK or NG
OK 䊳 GO TO 6.
NG 䊳 GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness for open or short between ECM relay and mass air flow sensor
쐌 Harness for open or short between Mass air flow sensor and ECM
䊳 Repair harness or connectors.
DTC P0100 MASS AIR FLOW SENSOR (MAFS)
KA24DE
Diagnostic Procedure (Cont’d)
EC-156
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