11. EFI SYSTEM OF SQR 472ENGINE
11-49
2.20. Oxygen sensor circuit output voltage is too low (fault code P0137)
Serial
number
Operation steps
Test
results
Next step
1
Connect the diagnosis instrument, the
ignition switch is in the "ON”
Next
step
Yes Diagnostic
procedures
2
Start the engine, idle running to the
coolant temperature reach normal values,
observe diagnosis instrument monk
"oxygen sensor voltage" items to pay
changes, the display values should lose
uncle is in the range of 100Ma~900mA
No Next
step
Yes
Repair or replace the wire harness
3
Check the ECU X1 -- 42# X1_37# pins
respectively in sensor connector 3# (with
the oxygen sensor grey connection line
between pins) line is faulty.
No Next
step
Yes
Maintenance according to the
diagnosis
4
Exhaust system blocking
Fuel injector is leaking
Fuel pressure is too large
Valve clearance is too small.
No Diagnostic
aid
2.21. Oxygen sensor circuit output voltage is too high (fault code P0138)
Serial
number
Operation steps
Test
results
Next step
1
Connect the diagnosis instrument, the
ignition switch is in the "ON”
Next
step
Yes Diagnostic
procedures
2
Start the engine, idle running to the
coolant temperature reach normal values,
observe diagnosis instrument monk
"oxygen sensor voltage" items to pay
changes, the display values should lose
uncle is in the range of 100Ma~900mA
No Next
step
Yes
Repair or replace the wire harness
3
Check the ECU X1 -- 42# X1_37# pins
respectively in sensor connector 3# (with
the oxygen sensor grey connection line
between pins) line is faulty.
No Next
step
Yes
Maintenance according to the
diagnosis
4
Exhaust system blocking
Fuel injector is leaking
Fuel pressure is too large
Valve clearance is too small.
No Diagnostic
aid
11
Содержание Vyper 4WD 1100cc 4 seater XY1100UEL
Страница 1: ...Service Manual 4 4 GIO MOTORS Vyper 4WD 1100cc Vyper 4WD 1100cc 4 seater ...
Страница 65: ...4 COOLING SYSTEM 4 6 Cooling System Chart 4 ...
Страница 175: ...11 EFI SYSTEM OF SQR 472ENGINE 11 3 3 The ECU control principle diagram ...
Страница 176: ...11 EFI SYSTEM OF SQR 472ENGINE 11 4 4 The ECU function module layout ...
Страница 178: ...11 EFI SYSTEM OF SQR 472ENGINE 11 6 39 The speed signal input Input 80 Empty 40 Empty 81 Empty 41 Empty ...
Страница 258: ...12 LIGHTING AND SWITCHES 12 7 2WD 4WD 4WD Diff Lock Switch No continuity Change the switch ...
Страница 260: ......
Страница 261: ......