U0001

2GR-FSE ENGINE CONTROL SYSTEM: SFI SYSTEM: U0001: High Speed CAN Communication Circuit

DTC U0001 - High Speed CAN Communication Circuit

DESCRIPTION

The ECM intercommunicates with the hybrid vehicle control ECU through the Controller Area Network (CAN).
If there is a problem in this intercommunication, the ECM sets a DTC.






MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





INSPECTION PROCEDURE

PROCEDURE

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC U0001)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Read the DTCs.
Result:






B -- GO TO RELEVANT DTC CHART
A -- REPLACE ECM