FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – INSTALLED LOCATIONS OF PARTS
Category Archives: FUSO 4M4
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – INSPECTION OF ELECTRICAL EQUIPMENT
#042 Inspection of stop lamp switch • If any fault is found, replace the switch. #302 Inspection of brake fluid pressure sensor • Apply voltage 5 volts DC between terminals 1 and 3. • Measure the output voltage generated between terminals 2 and 3. • If the measurement is not within the range of the… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – HIGH VOLTAGE CABLE, HIGH VOLTAGE BATTERY BOX AND MOTOR ELECTRONIC CONTROL UNIT
Installation sequence Follow the removal sequence in reverse. Repair kit: Service Kit A (Part No.: MK443502), Service kit C (Part No.: MK443504) Work before removal Maintenance workflow – The way to handle high voltage devices differs depending on presence/absence of diagnosis codes and, if issued, on the type of the diagnosis code. Before working, see… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – HIGH VOLTAGE COOLING SYSTEM
Work before installation Draining of coolant • Perform draining of coolant in the high voltage cooling system. (See “ON-VEHICLE INSPECTION AND ADJUSTMENT”.) Installation procedure • Installation: Water hose – Connect the water hose with the pipe fixing the hose end at the spool center or white paint center. (If the hose is properly connected, the… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – ON-VEHICLE INSPECTION AND ADJUSTMENT – Inspection of Air Filter in High Voltage Battery Box
[Removal] • Remove the cover. • Remove the air filter by pulling it out while lifting it. [Inspection] • Check the air filter and clean it if it is dirty. [Cleaning] • Clean with water. • If dirt cannot be removed with water, replace the air filter. [Installing] • Insert the air filter horizontally. •… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – ON-VEHICLE INSPECTION AND ADJUSTMENT – Coolant Replacement of High Voltage Cooling System
• Open the radiator drain cock to drain coolant around the radiator. • Disconnect the water hose (between the motor electronic control unit and the motor generator) of the motor electronic control unit. • Coolant around the motor electronic control unit is drained. • To drain coolant in the motor generator, apply air pressure to… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – ON-VEHICLE INSPECTION AND ADJUSTMENT – Inspection of Coolant Leakage
• After driving, check the radiator, reservoir tank, water pump, water hose, motor electronic control unit, etc. for coolant leakage with the engine idling. • If any leakage is found, check the related parts for installation condition. If any loose part is found, tighten to the specified torque. If any cracked or damaged part is… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – ON-VEHICLE INSPECTION AND ADJUSTMENT – Inspection of Coolant Level
• Inspection should be performed before starting the engine when the coolant is cold. • Check that the coolant level in the reservoir tank is between “FULL” and “LOW” lines. • If the coolant level is below “LOW” line, check the cooling system for leakage. If no leakage is found, add coolant up to “FULL”… Read More »
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – TROUBLESHOOTING – Possible Causes of Symptoms
FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – TROUBLESHOOTING – Inspections Performed at Electronic Control Unit Connectors
• These inspections aid troubleshooting by enabling you to check whether electronic control unit signals are being correctly transmitted via the vehicle harness and connectors. The white-on-black numbers ( 01 , 02 , and so on) correspond to the similarly printed reference numbers in section “3. Inspections Based on Diagnosis Codes”. 7.1 Electronic control unit… Read More »