FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

U1001

CAN (COMMUNICATION AREA NETWORK) COMMUNICATION ERROR WITH VEHICLE







1. RECHECK THE DTC.
1. After erasing the DTC, operate the vehicle.
2. Check the DTC.










2. CHECK THE CAN LINE
1. Set the starter switch "LOCK" and connect the signal check harness.
2. Disconnect the signal check harness connector on the ECU side.







3. Disconnect the connector of automatic transmission ECU.
4. Measure the resistance between the terminals of engine ECU connector (vehicle harness side) and terminals of automatic transmission ECU connector (vehicle harness side).







Standard: Less than 1 ohm