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and GO to Pinpoint Test G240121p6. . PINPOINT TEST G240121p4 : CHECK G240121t14 : CHECK THE SCREENS AND CIRCUITS USING THE 1. Turn the ignition switch to the ACC position. 2. Set the rear entertainment control panel to AUX1 for both screens (refer to Selecting AUX1; AUX2 and audio functions in this section). 3. Set the rear screens to AUTO. (Refer to Selecting AUTO/PAL/NTSC in this section). 4. Connect the video/audio tester to AUX1, video (yellow). 5. Select PAL on the video/audio tester, make sure the blue LED is illuminated. 6. Observe the rear screen images. •
Is the PAL test image displayed on both screens? -> Yes The signal from the AUX1 system has passed.
-> No If the test image is only on the left-hand screen, INSTALL a new right-hand screen, Rear Passenger Entertainment Control Panel (The screen cannot decode a NTSC signal).
If the test image is only on the right-hand screen, INSTALL a new left-hand screen, Rear Passenger Entertainment Control Panel (The screen cannot decode a NTSC signal).
If the test image is on neither screen, INSTALL two new screens, Rear Passenger Entertainment Control Panel (The screens cannot decode a NTSC signal). PINPOINT TEST G240121p5 : CHECK G240121t15 : CHECK THE SIGNAL THROUGH THE CONTROL PANEL 1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF. 3. Disconnect the control panel electrical connector, RC03. 4. Turn the video/audio tester ON, and to the TEST position by holding in the TEST button while selecting PAL or NTSC. The blue and red LEDs will illuminate. 5. Connect the oscilloscope. Refer to Oscilloscope set-up procedure in this section. 6. |