Back-up Power Source Circuit
ComponentsTerminals Of Ecu
TERMINALS OF ECU
1. OCCUPANT CLASSIFICATION ECU (for Power Seat)
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specification
S12-1 (+B) - S12-3 (GND)
GR ...
Assist Map Number Mismatch (C1582)
DESCRIPTION
When an incorrect ECM or brake actuator assembly (skid control ECU) is installed
after the assist map has been recorded in the power steering ECU, then DTC C1582
is stored because the data does not match the vehicle specifications.
...
Brake Switch "B" Circuit High (P0724)
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling when brakes
are suddenly applied while driving in lock-up condition.
When the brake pedal is depressed, the stop light switch sends a signal to the
ECM. Then the ECM cancels t ...