TGB BLADE 600 Service Manual page 84

4-1. FUEL INJECTION SYSTEM
Is the voltage OK?
YES Go to next step 2
• Loose or poor contacts on the ECU
coupler (terminal 1 or 27)
NO
• Open or short circuit in the
Yellow/Black wire or Gray/Red wire
Step 1
(When sensor voltage is higher than specified)
1) Loosen and lift up the fuel tank.
2) Turn the ignition switch OFF.
3) Check the TP sensor coupler for loose or
poor contacts.
If OK, then check the TP sensor lead wire
continuity.
4) Disconnect the TP sensor coupler.
5) Check the continuity between W/Br wire and
Y/B wire.
If the sound is not heard from the tester, the
circuit condition is OK.
6) Disconnect the ECU coupler.
7) Check the continuity between W/Br wire and
terminal 31.
8) Also, check the continuity between Gr/R wire
and terminal 27.
TPS lead wire continuity: Continuity (sound)
Is the continuity OK?
YES Go to next step 2
W/Br wire shorted to VSENS or
NO
SGND1 wire open
9) After repairing the trouble, clear the DTC
using Diagnosis tool.
Step 1
(When sensor voltage is lower than specified)
1) Loosen and lift up the fuel tank.
2) Turn the ignition switch OFF.
3) Check the TP sensor coupler for loose or
poor contacts.
If OK, then measure the TP sensor lead wire
continuity.
4-1-36
31