DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
Diagnosis Procedure
1. CHECK BATTERY VOLTAGE
Check battery voltage
2. CHECK POWER SUPPLY CIRCUIT AND GROUND CIRCUIT
Check BCM power supply circuit and ground circuit.
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit.
ECU diagnosis information
ECM
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable
to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Numerical values in the following table are reference v ...
B2557 vehicle speed
Description
BCM receives the 2 vehicle speed signals via CAN
communication. One signal is transmitted by the "combination
meter". Another signal is transmitted by "ABS actuator and electric unit
(control unit)". BCM compares
both signals to detect the vehicle speed.
DTC Logic
DTC DETECTIO ...
Oil
Description
MAINTENANCE OF OIL LEVEL
The compressor oil is circulating in the system together with the
refrigerant. It is necessary to fill compressor with oil when replacing A/C
system parts or when a large amount of refrigerant leakage is detected. It is
important to always maintain oil le ...