FI SYSTEM DIAGNOSIS 4-51
“32” (P0201) FUEL INJECTOR CIRCUIT MALFUNCTION
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
(Terminal – Terminal)
DETECTED CONDITION POSSIBLE CAUSE
CKP signal is produced but fuel injector signal is
interrupted by 4 times or more continuously.
• Injector circuit open or short
• Injector malfunction
• ECM malfunction
ECM
Main relay
Fuel injector
To
side-stand
relay
)
+B
Fuel pump
M
To
speedometer
*
Fuel injector
W/Bl
O/W
1
1