11. EFI SYSTEM OF SQR 472ENGINE
11-50
2.22. The oxygen sensor is not active (fault code P0140)
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
2.23. Pump primary line fault (fault code P0230)
Serial
number
Operation steps
Test
results
Next step
1
Connect the diagnosis instrument, the
ignition switch is in the "OFF"
Next
step
Yes
To step 4
2
Pulling off the fuel pump relay, the
ignition switch to "ON", respectively,
check the pump relay power supply
terminal 30# 86# power supply voltage
pin and pay some value is around 12V
No Next
step
Yes
Repair or replace the wire harness
3
Check relay power supply line is broken
or short circuit to ground.
No
To step 2
Yes
Replace the fuel pump relay
4
Check with a multimeter pump relay
control terminal relay 85# pins and power
to pay a few pieces of the resistance value
is about 3.7V.
No Next
step
Yes
Repair or replace the wire harness
5
Check relay control end is between the
X1_69# pin and the ECU pin relay 85#
whether the circuit breaker or the power
or the open.
No Diagnostic
aid
Summary of Contents for 1100 GKE OutLaw
Page 1: ...Service Manual 1100GKE 4 4...
Page 62: ...4 COOLING SYSTEM 4 6 Cooling System Chart...
Page 158: ...10 CVT TRANSMISSION SYSTEM 10 7 5 Appearance installation dimension map Fan shaped array 10...
Page 165: ...11 EFI SYSTEM OF SQR 472ENGINE 11 3 3 The ECU control principle diagram...
Page 166: ...11 EFI SYSTEM OF SQR 472ENGINE 11 4 4 The ECU function module layout...
Page 260: ......