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Home >> Dodge and Ram >> 1987 >> Lancer Base, 2.2 D, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 4-CYL EFI System >> Testing >> Entering On-Board Diagnosis >> Switch Test Mode

Switch Test Mode

Ensure all switches that send an input signal to logic module are turned off. Put system into Diagnostic Mode. After all codes have been displayed, code 55 will flash. The Power Loss Light will stop blinking. Turn on switches to send input to logic module. If the logic module is receiving the switch input, the readout box display will change or the light will turn on as the switch is turned on. The display will change again or the light will turn off when the switch is turned to the "OFF" position. The following switches output signals to the logic module: