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Pinpoint Tests CAUTION: Remove the DVD ROM before removing the navigation system DVD unit for circuit testing. Failure to follow this instruction may result in damage to the DVD ROM. Circuit(s). system display Navigation system DVD * * GO to Pinpoint Test B.
* The audio unit is Instrument cluster. Audio unit. system display Navigation system DVD * * * CHECK all communication between the instrument cluster, audio unit, navigation * Compact disc (CD) changer. * REFER to: Information and Entertainment System (415-00 Information and * The display is blank Instrument cluster. * REFER to WDS. * Navigation system display Navigation system DVD * * GO to Pinpoint Test B.
* Poor quality/distorted sound Speaker(s). * REFER to: Information and Entertainment System (415-00 Information and * No sound from all speakers Audio unit. * INSTALL a new audio unit. REFER to: Navigation System Display Module * No sound from one or more Speaker(s). * REFER to: Information and Entertainment System (415-00 Information and * The auxiliary audio control is Circuit. switch. Audio unit. * * REFER to: Information and Entertainment System (415-00 Information and * PINPOINT TEST A : NAVIGATION SYSTEM WILL NOT SWITCH ON TEST CONDITIONS DETAILS/RESULTS/ACTIONS A1: CHECK THE NAVIGATION SYSTEM DISPLAY MODULE FOR VOLTAGE Disconnect Navigation System Display Module 1 |