Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Computers and Control Systems: Application and ID

Vehicle Equipped With Bendix Electronics:





BENDIX ELECTRONICS
The Bendix computerized engine control system can be identified as follows:

a. The use of an intake air temperature sensor (in place of an air mass meter as on the Bosch equipped engines).
b. The diagnostic socket and an intake manifold pressure sensor are mounted on the driver side strut-tower reinforcement (Bosch equipped engines mount only a diagnostic socket on the strut-tower reinforcement).

Vehicle Equipped With Bosch Electronics:





BOSCH ELECTRONICS
The Bosch computerized engine control system can be identified as follows:

a. The use of an air mass meter (in place of an intake air temperature sensor as on the Bendix equipped engines).
b. Only a diagnostic socket is mounted on the driver side strut-tower reinforcement (Bendix equipped engines mount the diagnostic socket and an intake manifold pressure sensor on the strut-tower reinforcement).