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PINPOINT TEST G240073p3 : DTC G240073t3 : CHECK THE FORWARD ALERT SWITCH LED CIRCUIT FOR OPEN 1. Disconnect the battery negative terminal. Battery Disconnect and Connect 2. Disconnect the ACC module connector IP78. 3. Disconnect the forward alert switch connector IP50. 4. Measure the resistance between the ACC module connector IP78, pin 05 (U) and forward alert switch connector IP50, pin 07 (U). Is the resistance greater than 5 ohms? -> Yes REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No GO to Pinpoint Test G240073t9.
G240073t9 : CHECK THE FORWARD ALERT SWITCH LED CIRCUIT FOR 1. Reconnect the battery negative terminal. Battery Connect (86.15.15) 2. Turn the ignition switch to the ON position. 3. Measure the voltage between the ACC module connector IP78, pin 05 (U) and GROUND. Is the voltage greater than 3 volts? -> Yes REPAIR the short to B+. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No INSTALL a new forward alert switch. Speed Control Deactivator Switch (19.75.20) CLEAR the DTC. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ACC control module, not the forward looking sensor. PINPOINT TEST G240073p4 : DTC |