DESCRIPTION Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc. PROCEDURE
(a) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Utility / Signal Check. (b) Using the Techstream, perform a Test Mode (Signal Check) inspection sensor check and check that speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete. Click here
OK: Speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete. NOTICE:
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Toyota Tundra Service Manual > Sfi System: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) (P2195-P2198)
DESCRIPTION The A/F sensor generates a voltage* that corresponds to the actual air-fuel ratio. This sensor voltage is used to provide the ECM with feedback so that it can control the air-fuel ratio. The ECM determines the deviation from the stoichiometric air-fuel ratio, and regulates the fuel injec ...