Code No. P1902: Malfunction of Engine System

DIAGNOSTIC FUNCTION

When the engine-ECU detects the malfunction of the ETV system, the engine-ECU enters the limp-home control mode (throttle valve angle: approx. 20 %).
CVT-ECU begins controlling the following items: lockup inhibition, increase of secondary pressure, fixing of gear ratio line.

JUDGMENT CRITERIA

CVT-ECU receives the limp-home signal from engine-ECU via CAN.

PROBABLE CAUSES

Malfunction of the engine system (ETV)