Self-Diagnostic Function Table (For Immobilizer System) - Yamaha XSR 900 2022 Service Manual

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P2195 O sensor: open cir-
2
cuit is detected.
Normal signal is not
received from the O
sensor.
U0125 Signals cannot be
transmitted between
the ECU and the
IMU.
EAS33029

SELF-DIAGNOSTIC FUNCTION TABLE (FOR IMMOBILIZER SYSTEM)

TIP
For details of the DTC, refer to "HOW TO CHECK DTC" on page 9-23.
DTC
51 Immobilizer unit: Code cannot be transmitted between the key and immobilizer unit.
52 Immobilizer unit: Code of immobilizer unit and key are not matched.
53 Immobilizer unit: Code cannot be transmitted between the ECU and immobilizer unit.
54 Immobilizer unit: Data of immobilizer and ECU are not matched.
55 Immobilizer unit: Key code registration malfunction.
56 ECU: Unidentified code is received.
Probable cause of
malfunction
Low voltage of the
O sensor circuit
2
(0.18–0.49 V).
• Improperly in-
2
stalled O sensor.
2
• Defective coupler
between O sen-
2
sor and ECU.
• Open or short cir-
cuit in wire har-
ness between O
sensor and ECU.
• Incorrect fuel pres-
sure.
• Defective O sen-
2
sor.
• Malfunction in
ECU.
• Defective IMU
coupler or ECU
coupler.
• Open or short cir-
cuit in wire har-
ness between IMU
and ECU.
• Malfunction in
IMU.
• Malfunction in
ECU.
9-71
Vehicle symptom
Increased exhaust
emissions.
2
Engine cannot be
started.
Item
Fail-safe system
operation
feedback is not
O
2
carried out.
O feedback learn-
2
ing is not carried
out.
Quick shift system is
not carried out.
Cruise control fixed
to OFF.
Engine cannot be
started.
Cruise control fixed
to OFF.