KIBS Hydraulic Unit Communication Line Inspection
When the data (for status of KIBS hydraulic unit) is not sent from the KIBS hydraulic unit to the meter unit and ECU, the service code 1b is displayed.
The data is sent through the CAN communication line.
The service code 1b is detected with the meter unit.
The FI symbol does not appear in this error code.
When the service code 1b [A] is detected, the ABS indicator light (LED) [B] goes on and the code of 1b displayed on the LCD.
Special Tool - Hand Tester: 57001-1394
Wiring Inspection KIBS Hydraulic Unit Connector [A] ←→ Meter Unit Connector [B] GY/BL lead (KIBS Hydraulic Unit terminal 2) [C] LB lead (KIBS Hydraulic Unit terminal 11) [D]
If the wiring is good, replace the KIBS hydraulic unit (see KIBS Hydraulic Unit Removal/Installation in the Brakes chapter).
KIBS Hydraulic Unit Communication Line Circuit
1. ECU
2. Joint Connector D
3. Joint Connector C
4. Meter Unit
5. ABS Indicator Light (LED)
6. KIBS Hydraulic Unit
Oxygen Sensor Heater Power Source Voltage InspectionPiston Ring End Gap Inspection
Place the piston ring [A] inside the cylinder (upper
crankcase), using the piston to locate the ring squarely
in place. Set it close to the bottom of the cylinder, where
cylinder wear is low.
Measure the gap [B] between the ends of the ring with a
thickness gauge.
Piston Ring End Gap ...
Air Suction Valve Inspection
Remove the air suction valve (see Air Suction Valve Removal).
Visually inspect the reeds [A] for cracks, folds, warps,
heat damage or other damage.
If there is any doubt as to the condition of the reeds, replace
the air suction valve as an assembly.
Check the reed contact areas [B] of ...
Radiator Cap Inspection
Remove:
Radiator Cap (see Coolant Change in the Periodic Maintenance
chapter)
Check the condition of the bottom [A] and top [B] valve
seals and valve spring [C].
If any one of them shows visible damage, replace the cap
with a new one.
Install the cap [A] on a cooling system pr ...
