Relay control systemECU diagnosis information
TCM
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Fail-safe
The TCM has an electrical fail-safe mode. In this mode
TCM operates even if there is an error in a main electronic
control input/output signal circuit.
FAIL-SAFE FUNCTION
If any malf ...
P0442 evap control system
DTC Logic
DTC DETECTION LOGIC
This diagnosis detects leakage in the EVAP purge line using engine intake
manifold vacuum.
If pressure does not increase, the ECM will check for leakage in the line
between the fuel tank and EVAP canister
purge volume control solenoid valve, under the followi ...
U0101 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each ...