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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
“P1601”
Sidestand switch: open or short circuit of
the light green lead of the ECU is detect-
ed.
Unable Unable D20
“P1602”
Malfunction in ECU internal circuit (mal-
function of ECU power cut-off function).
Able/Unable Able/Unable —
“P1604,
P1605”
• [P1604] Lean angle sensor: ground
short circuit detected.
• [P1605] Lean angle sensor: open or
power short circuit.
Able Able D08
“P2122,
P2123,
P2127,
P2128,
P2138”
• [P2122] Accelerator position sensor:
open or ground short circuit detected.
• [P2123] Accelerator position sensor:
power short circuit detected.
• [P2127] Accelerator position sensor:
ground short circuit detected.
• [P2128] Accelerator position sensor:
open or power short circuit detected.
• [P2138] Accelerator position sensor:
output voltage deviation error.
Able/Unable Able/Unable D14, D15
“P2158”
Front wheel sensor: no normal signals
are received from the front wheel sensor.
Able Able D16
“U0155 or
Err”
Multi-function meter: signals cannot be
transmitted between the ECU and the
multi-function meter.
Able Able —
DTC Symptom
Fail-safe system
Diagnostic
code
Starting the
engine
Driving the
vehicle
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