TGB EST 1000, Service Manual

Page: 80 / 269

4-2. FUEL INJECTION SYSTEM
4-2-42
Step 1
(When sensor voltage is higher than specified)
1) Remove the seat set.
2) Turn the ignition switch OFF.
3) Check the Roll over sensor coupler for loose
or poor contacts.
If OK, then check the Roll over sensor lead
wire continuity.
4) Disconnect the Roll over sensor coupler.
5) Check the continuity between Y/B wire and
Pu/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 Pu/B wire and
terminal 16.
Is the continuity OK?
YES Go to step 2
NO Pu/B wire shorted to VBR
8) After repairing the trouble, clear the DTC
using Diagnosis tool.
Step 1
(When sensor voltage is lower than specified)
1) Remove the seat set.
2) Turn the ignition switch OFF.
3) Check the Roll over sensor coupler for loose
or poor contacts.
If OK, then check the Roll over sensor lead
wire continuity.
4) Disconnect the Roll over sensor coupler.
5) Check the continuity between Pu/B wire and
ground. If the sound is not heard from the
tester, the circuit condition is OK.
7) Disconnect the ECU coupler.
8) Check the continuity between Y/B wire and
terminal 1.
9) Also, then check the continuity between Pu/B
wire B and terminal 16.
Roll over sensor lead wire continuity:
Continuity (sound)
1
16