This ECU is built in the KIBS Hydraulic Unit. Therefore the ECU cannot be checked directly.
If this service code appears even if all checks are ended, replace the KIBS hydraulic unit.
If the service code does not appear, the KIBS system normal (temporary failure).
Power Supply Voltage Inspection (Over-Voltage) (Service Code b 53)
CAN Communication (Transmission)/CAN Bus OFF Monitor Inspection (Service Code
b 57) CAN Communication (Reception) Monitor Inspection (Service Code b 58)Main Throttle Sensor Resistance Inspection
Turn the ignition switch to OFF.
Measure the main throttle sensor resistance in the same
way as input voltage inspection, note the following.
Disconnect the throttle sensor setting adapter [A] from the
connector of the main harness side.
Special Tool - Throttle Sensor Setting Adapter: 57 ...
Fuel Filter Cleaning
The fuel filter [A] is built into the fuel pump and can not be
cleaned or checked.
If the fuel filter is suspected of clogging or being damaged,
replace it with the fuel pump as a set.
Fuel Pump Circuit
1. Ignition Switch
2. Engine Stop Switch
3. Joint Connector E
4. ECU
5. Engine G ...
Air Switching Valve (Service Code 64)
Air Switching Valve Removal/Installation
Refer to the Air Switching Valve Removal/Installation in
the Engine Top End chapter.
Air Switching Valve Inspection
Refer to the Air Switching Valve Unit Test in the Electrical
System chapter.
If the air switching valve [A] is normal, check ...