2001 SUZUKI GRAND VITARA engine

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Page 366 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-33
REMOVAL
1) Disconnect negative (–) cable at battery and coupler (1) from
MAF sensor (3).
2) Remove air

Page 367 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual 6E2-34 ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE)
Intake air temperature (IAT) sensor
REMOVAL
1) Disconnect negative (–) cable at battery.
2) Disconnect

Page 368 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-35
Throttle position sensor (TP sensor)
INSPECTION
1) Disconnect negative (–) cable at battery and coupler

Page 369 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual 6E2-36 ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE)
Engine coolant temperature sensor (ECT sensor)
REMOVAL
1) Disconnect negative (–) cable from battery.
2

Page 370 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-37
Heated oxygen sensor (sensor 1)
REMOVAL
1) Disconnect negative (–) cable from battery.
2) Disconnect co

Page 371 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual 6E2-38 ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE)
HEATER INSPECTION
1) Disconnect HO2S-1 or -2 coupler.
2) Using ohmmeter, measure resistance between termi

Page 372 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-39
HEATER INSPECTION
Refer to “HEATED OXYGEN SENSOR (SENSOR 1) HEATER
INSPECTION”
Vehicle speed sensor (

Page 373 of 656

SUZUKI GRAND VITARA 2001 2.G Owners Manual 6E2-40 ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE)
INSPECTION
1) Check sensor O-ring (1) for damage and deterioration.
Replace as necessary.
2) Arrange 3 ne