Abstract
To test short-circuits between vehicle body control module (BCM) pins, to measure window glass-frame riser and vehicle central control door lock motors’ working current, working voltage and maximum open and close time, a kind of BCM performance tester is designed. MC9S12XS128 singlechip is used to act as the performance tester CPU. PAB817 photo couplers are used to act as high and low power supply isolated devices. ACS712-30A is used to act as motor working current sensor. One MAX232 is used to act as serial port communication element between the BCM performance tester and the computer. The brand XXX BCM is tested by the BCM performance tester. The results indicate that the BCM performance tester can meet the needs. The detecting results can afford proof for vehicle manufacturers and vehicle parts manufacturers to judge the BCM quality.
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