C2191

DTC C2191/91 VEHICLE SPEED SIGNAL ERROR(TEST DIAGNOSIS)

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The tire pressure monitor ECU receives a speed signal from the combination meter. This DTC is stored upon entering the 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 the test mode.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE

HINT: Start the inspection from step 1 when using the hand-held tester, and start from step 2 when not using the hand-held tester.