Transmission Shift Position Indicator Lamp: Description and Operation

AT CHECK WARNING LAMP (5-SPEED A/T MODELS)

The AT CHECK warning lamp is controlled by the TCM (transmission control module). When an A/T system malfunction occurs, the TCM signals the combination meter (unified meter control unit) via the CAN lines and ground is provided to the AT CHECK warning lamp.

When power and ground are supplied, the AT CHECK warning lamp illuminates.

A/T CHECK (POSITION) INDICATOR LAMP (4-SPEED A/T MODELS)

The A/T check (position) indicator lamp is controlled by the TCM (transmission control module). When an A/T system malfunction occurs, the TCM signals the combination meter (unified meter control unit) via the CAN lines and ground is provided to the A/T check (position) indicator lamp.

When power and ground are supplied, the A/T check (position) indicator lamp illuminates.