Description

DATA TROUBLE CODE: 16

SYSTEM: A/T Control Signal Malfunction

CIRCUIT DESCRIPTION
The signal from the A/T Central Procesing Unit retards the ignition timing of the engine during A/T gear shifting, thus momentarily reducing torque output of the engine for smooth clutch operation inside the transmission and reduced shift shock.

DIAGNOSTIC TROUBLE CODE DETECTING CONDITION
- Fault in communications between the engine Central Procesing Unit and A/T Central Procesing Unit in the Engine Control Module.
If the Engine Control Module records the diagnostic trouble code "16" in memory, it prohibits the torque control of the A/T which performs smooth gear shifting.

TROUBLE AREA
- Engine Control Module

Malfunction Indicator Lamp

Normal Mode On
Test Mode N.A.