gio Vyper 4WD 1100cc 4 seater XY1100UEL, Service Manual

Page: 230 / 261

11. EFI SYSTEM OF SQR 472ENGINE
11-58
2.36. Two cylinder ignition coil circuit fault (fault code P0352)
Serial
number Operation steps Test
results Next step
1 round which is diagnostic instrument, the
ignition switch is in the "ON" Next step
Yes To step 4 2 Dial the joint on wire harness for ignition
coil, using a multimeter to check voltage
between the 2# pin and the negative pole of
the power supply is 12V.
No Next step
Yes Repair or replace the wire harness 3 Check the ignition coil between the 2# pin
and the 87# pin of main relay circuit is open
circuit or short circuit to ground;
No To step 5
Yes Repair or replace the wire harness 4 Between the A31# pin check phase sensor
and papillary 1# pins and ECU line is open
circuit or short circuit to ground.
No Next step
Yes Next step 5 Using a multimeter to check the ignition
coil resistance 1# pin and 2# pin between,
stop should be 0.67 +/-10%
No Replace ignition coil
Yes Diagnostic aid 6 By using the universal resistance between
the table to check the ignition coil 2
cylinder column and ignition anode, stop
should be 9.2K
Ω +/-20%
No Replace ignition coil
2.37. Three cylinder ignition coil circuit fault (fault code P0353)
Serial
number Operation steps Test
results Next step
1 round which is diagnostic instrument, the
ignition switch is in the "ON" Next step
Yes To step 4 2 Dial the joint on wire harness for ignition
coil, using a multimeter to check voltage
between the 2# pin and the negative pole of
the power supply is 12V.
No Next step
Yes Repair or replace the wire harness 3 Check the ignition coil between the 2# pin
and the 87# pin of main relay circuit is open
circuit or short circuit to ground;
No To step 5
Yes Repair or replace the wire harness 4 Between the A31# pin check phase sensor
and papillary 1# pins and ECU line is open
circuit or short circuit to ground.
No Next step
Yes Next step 5 Using a multimeter to check the ignition
coil resistance 1# pin and 2# pin between,
stop should be 0.67 +/-10%
No Replace ignition coil
Yes Diagnostic aid 6 By using the universal resistance between
the table to check the ignition coil 3
cylinder column and ignition anode, stop
should be 9.2K
Ω +/-20%
No Replace ignition coil