32" (P0201) Fuel Injector Circuit Malfunction - Suzuki Burgman UH125 Service Manual

"32" (P0201) FUEL INJECTOR CIRCUIT MALFUNCTION

DETECTED CONDITION
CKP signal is produced but fuel injector signal is
interrupted by 4 times or more continuously.
ECM
+B
*
Fuel injector
INSPECTION
Step 1
1) Turn the ignition switch OFF.
2) Remove the trunk box. (#8-11)
3) Check the injector coupler 1 for loose or poor contacts.
If OK, then measure the injector resistance.
4) Disconnect the injector coupler and measure the resistance
between terminals.
$ Injector resistance: Approx. 12 Ω at 21 °C
To
speedometer
O/W
W/Bl
Fuel injector
(Terminal – Terminal)
POSSIBLE CAUSE
• Injector circuit open or short
• Injector malfunction
• ECM malfunction
Fuel pump
M
Main relay
1
1
FI SYSTEM DIAGNOSIS
To
side-stand
relay
4-51