Circuit Description

ABS/TRAC ECU (except GS300) or TRAC ECU (GS300) receives engine speed signals from Engine Control Module (ECM) on NE circuit. DTC is set when there is no NE signal input to ECM after traction control is initiated for .24 seconds. Possible causes are:

• Open or short in NEO circuit.
• ECM.
• ABS/TRAC ECU.