Back-up Power Source Circuit
Parts LocationSystem Voltage Circuit Short to Ground or Open (P056014)
DESCRIPTION
The battery supplies power to the ECM even when the ignition switch is off. This
power allows the ECM to store data such as DTC history, freeze frame data and fuel
trim values. If the battery voltage falls below a minimum level, the ECM data is
cleared and the ECM determines that ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT WHEEL
2. REMOVE REAR WHEEL
3. REMOVE TIRE PRESSURE WARNING VALVE AND TRANSMITTER
(a) Remove the cap and valve core to release the air from the tire.
NOTICE:
Keep the removed cap and valve core.
(b) After ensuring that a sufficient amount of air has been rele ...
Lost Communication with ECM/PCM "A" Missing Message (U010087)
DESCRIPTION
The engine control unit and the transmission control unit are located inside
the ECM. The engine control unit intercommunicates with the transmission control
unit with the Controller Area Network (CAN).
If there is a problem in this intercommunication, the ECM stores a DTC.
...