Precautions in servicing When handling the component parts or servicing the FI system, observe the following points for the safety of the system. Electrical parts Connector/coupler When connecting a connector, be sure to push it in until a click is felt. With a lock type...
FI System technical features Injection time (injection volume) The factors to determine the injection time include the basic fuel injection time, which is calculated on the basis of intake air pressure, engine speed and throttle opening angle, and various compensations. These...
ECM terminal TERMINAL NO. CIRCUIT TERMINAL NO. CIRCUIT 1 STVA signal (STVA. 2A) 18 STVA signal (STVA. 2B) 2 STVA signal (STVA. 1A) 19 STVA signal (STVA. 1B) 3 EXCVA power (MO-) 20 STP sensor signal (STP) 4 EXCVA power (MO+) 21 Ignition switch signal 5 EXCVA...
Self-diagnosis function The self-diagnosis function is incorporated in the ECM. The function has two modes, "User mode" and "Dealer mode". The user can only be notified by the LCD (DISPLAY) panel and LED (FI indicator light). To check the function of the individual FI...
Fail-safe function FI system is provided with fail-safe function to allow the engine to start and the motorcycle to run in a minimum performance necessary even under malfunction condition. ITEM FAIL-SAFE MODE STARTING ABILITY RUNNING ABILITY IAP sensor Intake air...
FI system troubleshooting Customer complaint analysis Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose, use of such an inspection form such as below will facilitate collecting information required for...
Self-diagnostic procedures Note: Don't disconnect couplers from the ECM, the battery cable from the battery, ECM ground wire harness from the engine or main fuse before confirming the malfunction code (self-diagnostic trouble code) stored in memory. Such disconnection will...
Use of SDS diagnostic procedures Don't disconnect couplers from ECM, the battery cable from the battery, ECM ground wire harness from the engine or main fuse before confirming the malfunction code (self-diagnostic trouble code) stored in memory. Such disconnection will erase the...
Show data when trouble (displaing data at the time of DTC) ECM stores the engine and driving conditions (in the form of data as shown in the figure) at the moment of the detection of a malfunction in its memory. This data is called "Show data when trouble". Therefore, it is possible to know engine and...
Malfunction code and defective condition DTC No. DETECTED ITEM DETECTED FAILURE CONDITION CHECK FOR C00 NO FAULT C12 P0335 CKP sensor The signal does not reach ECM for 3 sec. or more, after receiving the starter signal. CKP sensor wiring and mechanical parts CKP sensor, lead wire/coupler...
“C12” (p0335) CKP sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE The signal does not reach ECM for 3 sec. or more, after receiving the starter signal. Metal particles or foreign material being stuck on the CKP sensor and rotor tip. CKP sensor circuit open or short. CKP sensor...
“C13” (P1750-H/L) or “C17” (P0105-H/L) Iap sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C13/C17 IAP sensor voltage is not within the following range. 0.5 V Sensor voltage < 4.85 V Clogged vacuum passage between throttle body and IAP sensor. Air being drawn from vacuum passage between throttle body...
“С14” (P0120-H/L) TP sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C14 Output voltage is not within the following range. TP sensor maladjusted TP sensor circuit open or short P0120 Difference between actual throttle opening and opening calculated by ECM is larger than specified...
“C15” (P0115-H/L) ECT sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C15 Output voltage is not within the following range. ECT sensor circuit open or short ECT sensor malfunction P0115 0.15 V Sensor voltage < 4.85 V ECM malfunction P0115 H Sensor voltage is higher than specified...
“C21” (P0110-H/L) IAT sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C21 Output voltage is not within the following range. IAT sensor circuit open or short IAT sensor malfunction P0110 0.15 V Sensor voltage < 4.85 V ECM malfunction P0110 H Sensor voltage is higher than specified...
“C23” (P1651-H/L) TO sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C23 The sensor voltage should be the following for 2 sec. and more, after ignition switch is turned ON TO sensor circuit open or short TO sensor malfunction P1651 0.2 V ≤ Sensor voltage < 4.8 V ECM malfunction P1651...
“C28” (P1655) STV actuator circuit malfunction DETECTED CONDITION POSSIBLE CAUSE The operation voltage does not reach the STVA. ECM does not receive communication signal from the STVA. STVA malfunction STVA circuit open or short STVA motor malfunction Inspection Step 1 1) Remove the air cleaner...
“C29” (P1654-H/L) STP sensor circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C29 Signal voltage is not within the following range. Difference between actual throttle open- STP sensor maladjusted STP sensor circuit open or short STP sensor malfunction P1654 ing and opening calculated by ECM...
“С31” (P0705) GP switch circuit malfunction DETECTED CONDITION POSSIBLE CAUSE No Gear Position switch voltage Switch voltage is not within the following range. Switch voltage > 0.6 V Gear Position switch circuit open or short Gear Position switch malfunction ECM malfunction Inspection Step 1...
“C32” (P0201) or “C33” (P0202) Fuel injector circuit malfunction DETECTED CONDITION POSSIBLE CAUSE CKP signals produced but fuel injector signal is interrupted continuous by 4 times or more. Injector circuit open or short. Injector malfunction. ECM malfunction. Inspection When indicating C32/P0201 for fuel...
“C40” (P0505-H/L or P0506 and P0507) ISC Valve circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C40 P0505 H ISC valve motor current is higher than the specified value. ISC valve circuit shorted to BATT or ground circuit open L ISC valve motor circuit is open. ISC valve circuit open or shorted to ground or BATT...
“С41” (Р0230-H/L) FP relay circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C41 P0230 No voltage is applied to fuel pump although fuel pump relay is turned ON, or voltage is applied to fuel pump, although fuel pump relay is turned OFF. Fuel pump relay circuit open or short Fuel pump relay...
“С42” (Р01650) IG switch circuit malfunction DETECTED CONDITION POSSIBLE CAUSE Ignition switch signal is not input to the ECM. Ignition system circuit open or short ECM malfunction Inspection Refer to the IGNITION SWITCH INSPECTION for details. ( 10-42 )
“C46” (P1657-H/L or P1658) EXCV Actuator circuit malfunction DETECTED CONDITION POSSIBLE CAUSE C46 The operation signal does not reach the EXCV actuator. EXCVA position sensor voltage low or high 0.1 V ≤ Sensor voltage < 4.9 V (without the above range) EXCVA maladjusted EXCVA circuit open or short EXCVA motor...
“C49” (P1768) or “C61” (P1656) Pair control solenoid valve circuit malfunction DETECTED CONDITION POSSIBLE CAUSE PAIR control solenoid valve voltage is not input to ECM. PAIR control solenoid valve circuit open or short PAIR control solenoid valve malfunction ECM malfunction Inspection Step 1 When indicating C49/P1768 for #2...
“С60” (Р0480) cooling fan relay circuit malfunction DETECTED CONDITION POSSIBLE CAUSE Cooling fan relay signal is not input to ECM. Cooling fan relay circuit open or short ECM malfunction Inspection Step 1 1) Turn the ignition switch OFF. 2) Remove the right frame side cover. ( 9-5 ) 3) Check the...
Inspection, removal and installation sensors IAP Sensor inspection The intake air pressure sensor is located at the right and left side of the air cleaner box. ( 6-13 ) IAP Sensor removal and installation Remove the fuel tank. ( 6-3 ) Remove the IAP sensors from the air cleaner chamber....
TP sensor inspection, removal and installation TP Sensor inspection The throttle position sensor is installed on the No. 2 throttle body. ( 5-41 ) TP Sensor removal and installation Remove the fuel tank. ( 6-3 ) Remove the right air cleaner box. ( 6-13 ) Remove the TP sensor and disconnect the...
STP sensor inspection, removal and installation STP Sensor inspection The secondary throttle position sensor is installed on the No. 2 throttle body. ( 5-61 ) STP Sensor removal and installation Remove the fuel tank. ( 6-3 ) Remove the right air cleaner box. ( 6-13 ) Remove the STP sensor and...
CKP sensor inspection, removal and installation The signal rotor is mounted on the generator rotor and crankshaft position sensor is installed at the inside of the generator cover. (4-32) CKP Sensor removal and installation Remove the generator cover. ( 3-18 ) Remove the CKP sensor. Install the...
IAT sensor inspection, removal and installation The intake air temperature sensor is installed at the front left side of the air cleaner box. ( 5-50 ) IAT Sensor removal and installation Remove the fuel tank. ( 6-3 ) Remove the IAT sensor from the air cleaner chamber. Install the IAT sensor in...
ECT sensor inspection, removal and installation ECT Sensor inspection The engine coolant temperature sensor is installed at the thermostat body. ( 5-46 ) ECT Sensor removal and installation Remove the right air cleaner box. ( 6-13 ) Remove the ECT sensor from the thermostat body. Install the ECT...
TO sensor inspection, removal and installation TO Sensor inspection The tip-over sensor is located under the front seat. ( 5-54 ) TO Sensor removal and installation Remove the right frame side cover. ( 9-5 ) Remove the TO sensor. Install the TO sensor in the reverse order of removal. Note: When...
HO2 sensor inspection, removal and installation (for E-02, 19, 24) HO2 Sensor inspection (For E-02, 19, 24) The heated oxygen sensor is installed on the pre-muffler. ( 5-79 ) HO2 Sensor removal and installation (For E-02, 19, 24) Remove the HO2 sensor unit. Warning: Do not remove the HO2 sensor while it is hot....