Yamaha TMAX 2020 Service Manual page 515

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC
Sidestand switch: open or short circuit of
"P1601" the light green lead of the ECU is detect-
ed.
Malfunction in ECU internal circuit (mal-
"P1602"
function of ECU power cut-off function).
• [P1604] Lean angle sensor: ground
"P1604, short circuit detected.
P1605" • [P1605] Lean angle sensor: open or
power short circuit.
• [P2122] Accelerator position sensor:
open or ground short circuit detected.
• [P2123] Accelerator position sensor:
"P2122,
power short circuit detected.
P2123,
• [P2127] Accelerator position sensor:
P2127,
ground short circuit detected.
P2128,
• [P2128] Accelerator position sensor:
P2138"
open or power short circuit detected.
• [P2138] Accelerator position sensor:
output voltage deviation error.
Front wheel sensor: no normal signals
"P2158"
are received from the front wheel sensor.
Multi-function meter: signals cannot be
"U0155 or
transmitted between the ECU and the
Err"
multi-function meter.
Symptom
9-41
Fail-safe system
Starting the Driving the
engine vehicle
Unable Unable
Able/Unable Able/Unable
Able Able
Able/Unable Able/Unable
Able Able
Able Able
Diagnostic
code
D20
—
D08
D14, D15
D16
—