Highlander 4WD V6-3.3L (3MZ-FE) (2004)
Low Tire Pressure Indicator: Testing and Inspection
TIRE PRESSURE WARNING LAMP CIRCUIT
CIRCUIT DESCRIPTION
When the tire pressure decreases, the skid control ECU illuminates the tire pressure warning lamp on the combination meter assy.
HINT: Refer to the "TIRE PRESSURE WARNING LAMP CHART" section in the "DIAGNOSIS SYSTEM" for the tire pressure warning lamp. See:
Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnosis System
Wiring Diagram