Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 29

6-24 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
DTC
DETECTING ITEM
NO.
Barometric pressure sen-
P1451
sor performance problem
Starter signal circuit mal-
P1500
function
ECM backup power source
P1510
malfunction
DETECTING CONDITION
(DTC will set when detecting :)
Difference between manifold absolute
pressure (MAP sensor value) and baro-
metric pressure (barometric pressure sen-
sor value) is larger than specification
during cranking.
Starter signal is not inputted from engine
cranking till its start and after or it is always
inputted
No backup power after starting engine
MIL MIL
(vehicle (vehicle
without with moni-
monitor tor connec-
connector) tor)
2 driving Not applica-
cycles ble
2 driving Not applica-
cycles ble
1 driving Not applica-
cycle ble