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7-30
FUEL INJECTION SYSTEM
Fault code No. 30
Symptom Turnover of vehicle
Fail-safe system Able to start
Unable to drive
Diagnostic code No. D08
FI diagnostic tool dis-
play
Lean angle sensor
• 1.0 V (Upright)
• 4.0 V (Overturned)
Checking method Remove the ECU and incline it 45° or more.
Item Item/components and probable cause Check or maintenance job Checking method
1 The vehicle has overturned. Raise the vehicle upright. Set the switch on the
FI diagnostic tool sub-
wire harness to "ON",
and then check the
fault code display.
Fault code number
is not displayed →
Service is finished.
Fault code number
is displayed → Re-
fer to item 2.
2 Installed condition of ECU.
• Make sure that the installation posi-
tion is correct.
Check that the sensor is in-
stalled securely and that
there are no pinched
leads.Check that the ECU is
installed securely and that
there are no pinched leads.
Incorrect installation → Re-
install or repair.
Incorrect installation posi-
tion → Properly install.
Set the switch on the
FI diagnostic tool sub-
wire harness to "ON",
and then check the
fault code display.
Fault code number
is not displayed →
Service is finished.
Fault code number
is displayed → Re-
fer to item 3.
5 Defective lean angle sensor. Execute the diagnostic
mode (diagnostic code No.
D30).
Upright: 1.0 V
Overturned: 4.0 V
Displayed value is incorrect
→ Replace the ECU.
Set the switch on the
FI diagnostic tool sub-
wire harness to "ON",
and then check the
fault code display.
Fault code number
is not displayed →
Service is finished.
Fault code number
is displayed → Re-
fer to item 4.
6 Malfunction in ECU. Replace the ECU.