YH4
GRAND
VITARA
6-1-116
ENGINE (H25 ENGINE)
DTC P1450 BAROMETRIC PRESSURE SENSOR CIRCUIT MALFUNCTION
DTC P1451 BAROMETRIC PRESSURE SENSOR PERFORMANCE PROBLEM
SYSTEM DESCRIPTION
Barometric pressure sensor is installed in ECM (PCM).
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
TROUBLE AREA
P1450
Barometric pressure sensor voltage is less than 0.1 V or more
than 5.1 V.
P1451
Barometric pressure value does not agree with calculated
barometric pressure.
Barometric pressure sensor in ECM (PCM).
MAP sensor
DTC CONFIRMATION PROCEDURE
NOTE:
Check to make sure that following conditions are satisfied when using this DTC CONFIRMATION PROCE-
DURE.
Intake air temperature: between 5 C and 70 C (6.8 F and 158 F)
Atmospheric pressure: higher than 560 mmHg (Altitude: lower than 2790 m (9150 ft))
(1) With ignition switch OFF, connect scan tool.
(2) Turn ON ignition switch and clear DTC by using scan tool if any.
(3) Start engine and warm up to normal operating temperature.
(4) Run engine at idle speed for 30 sec.
(5) Check DTC and pending DTC by using scan tool.
Summary of Contents for 2000 Grand Vitara SQ416
Page 75: ...ENGINE DIAGNOSIS G16 J20 ENGINES 6 71 Fig 1 for Step 3...
Page 179: ...6 1 68 ENGINE H25 ENGINE a Fig for STEP 2 3 a HO2S heater relay...
Page 190: ...ENGINE H25 ENGINE 6 1 79 a Fig for STEP 2 3 a HO2S heater relay...
Page 541: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES G16 ENGINE...
Page 542: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 5...
Page 543: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES J20 ENGINE...
Page 544: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 7...
Page 552: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 15...
Page 592: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Page 593: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 5...
Page 597: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 9...
Page 723: ...6H 30 CHARGING SYSTEM 17 Make sure that rotor turns smoothly...