Page 117 - 2019 SHOP MANUAL CRF1000/A/D

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PGM-FI SYSTEM
DTC INDEX

• If the MCS is not used, perform all of the inspection on the corresponding main code (digits in front of hyphen) of the DTC.

Refer
DTC Function Failure Symptom/Fail-safe function
to
MAP sensor circuit low voltage (less than 0.029 V) • Engine operates normally
1-1 4-11
• MAP sensor or its circuit malfunction
MAP sensor circuit high voltage (more than 3.809 V) • Engine operates normally
1-2 • Loose or poor contact of the MAP sensor connector 4-12
• MAP sensor or its circuit malfunction
ECT sensor circuit low voltage (less than 0.049 V) • Hard start at a low temperature
7-1 4-14
• ECT sensor or its circuit malfunction
ECT sensor circuit high voltage (more than 4.946 V) • Hard start at a low temperature
7-2 • Loose or poor contact of the ECT sensor connector 4-15
• ECT sensor or its circuit malfunction
TP sensor circuit low voltage (less than 0.122 V) • Poor engine acceleration
8-1 • Loose or poor contact of the TP sensor connector 4-16
• TP sensor or its circuit malfunction
TP sensor circuit high voltage (more than 4.966 V) • Poor engine acceleration
8-2 4-18
• TP sensor or its circuit malfunction
IAT sensor circuit low voltage (less than 0.049 V) • Engine operates normally
9-1 4-19
• IAT sensor or its circuit malfunction
IAT sensor circuit high voltage (more than 4.946 V) • Engine operates normally
9-2 • Loose or poor contact of the sensor unit connector 4-20
• IAT sensor or its circuit malfunction
VS sensor malfunction • Engine operates normally
11-1 • Loose or poor contact of the VS sensor connector 4-21
• VS sensor or its circuit malfunction
No. 1 (left) fuel injector malfunction • Engine does not start
12-1 • Loose or poor contact of the fuel injector connector • Fuel injector, fuel pump and ignition coil 4-23
• Fuel injector or its circuit malfunction shut down
No. 2 (right) fuel injector malfunction • Engine does not start
13-1 • Loose or poor contact of the fuel injector connector • Fuel injector, fuel pump and ignition coil 4-23
• Fuel injector or its circuit malfunction shut down
O2 sensor malfunction • Engine operates normally
21-1 • Loose or poor contact of the O2 sensor connector 4-25
•O2 sensor or its circuit malfunction
O2 sensor heater malfunction • Engine operates normally
23-1 • Loose or poor contact of the O2 sensor connector 4-27
•O2 sensor heater or its circuit malfunction
IACV malfunction • Engine stalls, hard to start, rough idling
29-1 • Loose or poor contact of the IACV connector 4-29
• IACV or its circuit malfunction
33-2* 1 ECM/PCM EEPROM malfunction • Engine operates normally 4-30
• Does not hold the self-diagnosis data
Bank angle sensor circuit low voltage (less than 0.020 • Engine operates normally
54-1 V) • Engine stop function does not operate 4-31
• Bank angle sensor or its circuit malfunction
Bank angle sensor circuit high voltage (more than 4.976 • Engine operates normally
V) • Engine stop function does not operate
54-2 • Loose or poor contact of the bank angle sensor 4-32
connector
• Bank angle sensor or its circuit malfunction
Rear wheel speed sensor malfunction • Engine operates normally
• Loose or poor contact of the rear wheel speed
66-1* 2 sensor connector 4-33
• Faulty rear wheel speed sensor or its circuit
malfunction
Front wheel speed sensor malfunction • Engine operates normally
• Loose or poor contact of the front wheel speed
67-1* 2 sensor connector 4-35
• Faulty front wheel speed sensor or its circuit
malfunction

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