Bosch, Hunter Collaborate on ADAS Calibration System

The companies say technicians will benefit from an integrated alignment system that delivers repeatable and documented calibration.

By Tire Review Staff
November 3, 2020

Bosch and Hunter Engineering are collaborating to develop and sell advanced drivers’ assistance calibration systems (ADAS) in North America.

The companies says technicians will benefit from an integrated alignment system that delivers repeatable and documented calibration.

The integrated product includes a co-branded, Bosch-developed diagnostic tool, calibration fixture and associated hardware for ADAS system calibration for the majority of global automakers, and vehicle alignment systems from Hunter.

Troubleshooting Porsche TPMS

Tips for diagnosing Porsche TPMS systems and performing relearns.

By Madeleine Winer
May 24, 2023

The Porsche 959 was another first to use a tire pressure monitoring system (TPMS) because it was equipped with the world’s first self-supporting run-flat tires made by Bridgestone. This TPMS setup was again used on the 928 for model years 1990 to 1994.

The early system used two sensors mounted 180 degrees apart in special holes in the valley of the wheel. The sensors looked like a stack of poker chips. A diaphragm inside the sensors connected to switches that were set to a reference pressure. The receiver was mounted on the knuckle and was an inductive coil that would pass current through the sensors. Depending on the position of the diaphragm and which switches were open or closed, the amount of current flowing through the receiver’s coil would change.