Suzuki Engine 2002 GRAND VITARA SQ625, Service Manual

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ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE) 6E2-35
4) Disconnect connectors from ECM (PCM).
5) Remove ECM (PCM) with bracket.
INSTALLATION
1) Install ECM (PCM) with bracket to vehicle.
2) Connect connectors to ECM (PCM) securely.
3) Install ECM (PCM) cover to bracket.
4) Enable air bag system (if equipped) referring to “Enabling Air
Bag System” in Section 10B.
5) Connect negative cable to battery.
Mass air flow sensor (MAF sensor)
INSPECTION
1) Remove ECM (PCM) cover from bracket.
2) With ignition switch OFF, disconnect MAF sensor connector
(1).
3) Connect voltmeter to “BLU/BLK” wire terminal (2) of MAF
sensor connector disconnected and ground.
4) Turn ignition switch ON and check that voltage is battery volt-
age.
If not, check if wire harness is open or connection is poor.
5) Turn ignition switch OFF and connect MAF sensor connector
to MAF sensor.
NOTE:
Use voltmeter with high-impedance (10 k
Ω
/V minimum)
or digital type voltmeter.