Toyota CH-R Service Manual: NE Signal (C1224)

Toyota CH-R Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / NE Signal (C1224)

DESCRIPTION

The skid control ECU (brake actuator assembly) receives engine speed signals from the ECM via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1224	NE Signal	The vehicle speed is 6 km/h (4 mph) or more, the +BS terminal voltage is between 9.6 and 16.5 V, and the engine speed signal is more than 12800 rpm for 2.5 seconds or more.	CAN communication system ECM

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

(a) Check if CAN communication system DTCs are output.

Click here

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

INSPECT CAN COMMUNICATION SYSTEM

2.	CHECK SFI SYSTEM

(a) Check if SFI system DTCs are output.

w/o Canister Pump Module: Click here

w/ Canister Pump Module: Click here

Result	Proceed to
DTCs are not output.	A
DTCs are output.(w/o Canister Pump Module)	B
DTCs are output.(w/ Canister Pump Module)	C

REPLACE ECM

INSPECT SFI SYSTEM

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