XM Radio Preset Memory Is Lost
XM radio preset memory is lostNOTE: Check the vehicle battery condition first.
1. Turn the ignition switch ON (II).
2. Turn on the audio unit and set each of the XM radio channel preset buttons.
Do each of the XM radio channel preset buttons set properly?
YES - Go to step 3.
NO - Replace the audio unit.
3. Turn the ignition switch OFF for 1 minute, then turn it back to ON (II).
4. Test all of the XM radio channel preset buttons for proper recall operation.
Do the preset buttons recall the set radio stations?
YES - System is normal at this time. Check the connections at the audio unit.
NO - Go to step 5.
5. Turn the ignition switch OFF.
6. Measure the voltage between XM receiver connector A (14P) No.1 and No.7 terminal and body ground.
Is there battery voltage?
YES - Go to step 7.
NO - Repair open in the wire between the under-dash fuse/relay box and XM receiver connector A (14P) No.1 terminal.
7. Measure the voltage between XM receiver connector A (14P) No.11 terminal and body ground.
Is there less than 0.1 V?
YES - Replace the XM receiver.
NO - Repair open in the wire between XM receiver connector A (14P) No.11 terminal and body ground (G551).