DESCRIPTION The IG circuit is the power source for the tire pressure warning ECU and receiver. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
HINT: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Tire Pressure Warning System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) (USING TECHSTREAM) (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON (d) Turn the Techstream on. (e) Enter the following menus: Chassis / Tire Pressure Monitor / Troubl ...