Checking the bulbs and bulb sockets Check each bulb and bulb socket for damage or wear, proper connections, and also for continuity between the terminals. Damage/wear → Repair or replace the bulb, bulb socket or both. Improperly connected → Properly connect. No continuity → Repair or...
Checking the fuses The following procedure applies to all of the fuses. Caution! To avoid a short circuit, always set the main switch to «OFF» when checking or replacing a fuse. 1. Remove: Rider and passenger seat 2. Check: Fuse a. Connect the pocket tester to the...
Checking and charging the battery Warning! Batteries generate explosive hydrogen gas and contain electrolyte which is made of poisonous and highly caustic sulfuric acid. Therefore, always follow these preventive measures: Wear protective eye gear when handling or working near...
Checking the relays Check each switch for continuity with the pocket tester. If the continuity reading is incorrect, replace the relay. Pocket tester: 90890-03112. Analog pocket tester: YU-03112-C. 1. Disconnect the relay from the wire harness. 2. Connect the pocket...
Checking the ABS motor relay 1. Check: ABS motor relay for continuity Connect the pocket tester (Ωx1) to the terminals of ABS motor relay. Check for continuity between terminals «1» and «2» of the ABS motor relay. ABS motor relay resistance: 50-150Ω. Pocket tester: 90890-03112....
Checking the solenoid valves and motor Caution! When check the hydraulic unit solenoid relay and ABS motor, do not remove the brake hoses. 1. Check: Solenoid valve resistance (front) Out of specification → Replace the hydraulic unit. Solenoid valve resistance: 2.96-3.20Ω at 20°C (68°F)...
Checking the turn signal/hazard relay 1. Check: Turn signal/hazard relay input voltage Out of specification → The wiring circuit from the main switch to the turn signal/ hazard relay coupler is faulty and must be repaired. Turn signal/hazard relay input voltage: DC 12 V. a. Connect the...
Checking the relay unit (diode) 1. Check: Relay unit (diode) Out of specification → Replace. Pocket tester: 90890-03112. Analog Pocket tester: YU-03112-C. Note: The pocket tester and the analog pocket tester readings are shown in the following table. Continuity: Positive tester...
Checking the ignition coils The following procedure applies to all of the ignition coils. 1. Check: Primary coil resistance Out of specification → Replace. Primary coil resistance: 1.19-1.61Ω at 20°C (68°F) a. Disconnect the ignition coil leads from the wire harness. b....
Checking the crankshaft position sensor 1. Disconnect: Crankshaft position sensor coupler (from the wire harness) 2. Check: Crankshaft position sensor resistance Out of specification → Replace the crankshaft position sensor. Crankshaft position sensor resistance: 336-504 Ω at 20°C (68°F)....
Checking the lean angle sensor 1. Remove: Lean angle sensor 2. Check: Lean angle sensor out put voltage Out of specification → Replace. Lean angle sensor output voltage Less than 65°: 0.4-1.4 V More than 65°: 3.7-4.4 V a. Connect the lean angle sensor coupler to the wire harness....
Checking the wheel sensor 1. Check: Front wheel sensor output voltage Out of specification → Replace Output voltage reading cycle: Hi: 1.1 V-1.7 V Lo: 0.5 V-0.9 V a. Connect the pocket tester (DC20 V) to the front wheel sensor coupler as shown. Pocket tester: 90890-03112....
Checking the starter motor operation 1. Check: Starter motor operation Does not operate → Perform the electric starting system troubleshooting, starting with step 5. a. Connect the positive battery terminal «1» and starter motor lead «2» with a jumper lead «3». Warnings! A wire that is...
Checking the stator coil 1. Disconnect: Stator coil coupler (from the wire harness) 2. Check: Stater coil resistance Out of specification → Replace the stator coil. Stator coil resistance: 0.144-0.176Ω at 20°C (68°F) (FZ1-S(X), FZ1-N(X), FZ1-SA) 0.153-0.187Ω at 20°C (68°F)...
Checking the rectifier/regulator 1. Check: Charging voltage Out of specification → Replace the recti-fier/regulator. Charging voltage: 14 V at 5000 r/min a. Set the engine tachometer to the ignition coil of cylinder #1. b. Connect the pocket tester (AC 20 V) to the...
Checking the horn 1. Check: Horn resistance Out of specification → Replace. Horn resistance: 1.15-1.25Ω at 20°C (68°F) a. Disconnect the horn leads from the horn terminals. b. Connect the pocket tester (Ωx1) to the horn terminals. Pocket tester: 90890-03112. Analog...
Checking the fuel sender 1. Remove: Fuel tank 2. Disconnect: Fuel pump coupler Fuel sender coupler (from the wire harness) 3. Remove: Fuel pump (from the fuel tank) 4. Check: Fuel sender resistance Fuel sender resistance: Full position of the float: 19-21Ω at 20°C (68°F)...
Checking the speed sensor 1. Check: Speed sensor output voltage Out of specification → Replace. Output voltage reading cycle: 0.6 V to 4.8 V to 0.6 V to 4.8 V a. Connect the pocket tester (DC 20 V) to the speed sensor coupler (wire harness side) as shown. Pocket tester:...
Checking the radiator fan motor 1. Check: Radiator fan motor Faulty/rough movement → Replace. a. Disconnect the radiator fan motor coupler from the wire harness. b. Connect the battery (DC 12 V) as shown. Positive tester probe: Blue «1» Negative tester probe: Black «2» c. Measure...
Checking the coolant temperature sensor 1. Remove: Coolant temperature sensor Warnings! Handle the coolant temperature sensor with special care. Never subject the coolant temperature sensor to strong shocks. If the coolant temperature sensor is dropped, replace it. 2. Check: Coolant...
Checking the throttle position sensor 1. Remove: Throttle position sensor (from the throttle body) 2. Check: Throttle position sensor a. Connect the pocket tester (Ωx1k) to the throttle position sensor as shown. Pocket tester: 90890-03112. Analog pocket tester: YU-03112-C. Tester...
Checking the sub-throttle position sensor 1. Remove: Sub-throttle position sensor (from the throttle body) 2. Check: Sub-throttle position sensor a. Disconnect the sub-throttle motor coupler. b. Disconnect the sub-throttle position sensor coupler. c. Remove the sub-throttle position sensor...
Checking the air induction system solenoid 1. Check: Air induction system solenoid resistance Out of specification → Replace. Air induction system solenoid resistance: 18-22Ω at 20°C (68°F). a. Remove the Air induction system solenoid coupler from the wire harness. b. Connect the pocket...
Checking the atmospheric pressure sensor 1. Check: Atmospheric pressure sensor output voltage Out of specification → Replace. Atmospheric pressure sensor output voltage: 3.75-4.25 V a. Connect the pocket tester (DC 20 V) to the atmospheric pressure sensor coupler (wire harness side) as...
Checking the cylinder identification sensor 1. Check: Cylinder identification sensor output voltage Out of specification → Replace. Cylinder identification sensor output voltage: When sensor is on: 4.8 V or more When sensor is off: 0.8 V or less a. Connect the pocket tester (DC 20 V) to the...
Checking the intake air pressure sensor 1. Check: Intake air pressure sensor output voltage Out of specification → Replace. Intake air pressure sensor output voltage: 3.75-4.25 V. a. Connect the pocket tester (DC 20 V) to the intake air pressure sensor coupler (wire harness side) as...
Checking the intake air temperature sensor 1. Remove: Intake air temperature sensor (from the air filter case). Warnings! Handle the intake air temperature sensor with special care. Never subject the intake air temperature sensor to strong shocks. If the intake air temperature sensor is...
ECU self-diagnostic function The ECU is equipped with a self-diagnostic function in order to ensure that the fuel injection system is operating normally. If this function detects a malfunction in the system, it immediately operates the engine under substitute characteristics...