C2191
DTC C2191/91 Vehicle Speed Signal Error (Test Mode DTC)DESCRIPTION
The tire pressure monitor ECU receives a speed signal from the combination meter. This DTC is stored upon entering test mode but erased when a vehicle speed signal of 12 mph (20 km/h) is detected for 3 seconds or more. The DTC is output only in test mode.
DTC DETECTION CONDITION:
WIRING DIAGRAM:
NOTICE: It is necessary to register an ID code after replacing the tire pressure monitor valve sub-assembly and/or the tire pressure monitor ECU.
HINT: Start the inspection from step 1 when using the intelligent tester, and start from step 2 when not using the intelligent tester.
INSPECTION PROCEDURE