XM Radio Display is Blank and No Station Information is Displayed
XM radio display is blank and no station information is displayed1. Turn the ignition switch to ACC (I).
2. Check the voltage between XM receiver connector A (14P) No. 1 terminal and body ground.
Is there battery voltage?
YES - Go to step 3.
NO - Repair an open in the wire between fuse No. 5 (10 A) driver's under-dash fuse/relay box and XM receiver connector A (14P) No. 1 terminal.
3. Check the voltage between XM receiver connector A (14P) No. 11 terminal and body ground.
Is there less than 0.1 V?
YES
- With navigation: Go to step 8.
- Without navigation: Go to step 4.
NO - Repair an open in the wire between XM receiver connector A (14P) No. 1 terminal and audio unit connector D (14P) No. 11 terminal (without navigation) or CD changer connector B (14P) No. 11 terminal (with navigation).
4. Turn the ignition switch to LOCK (0).
5. Check the voltage between audio unit connector D (14P) No. 2 terminal and body ground.
Is there 10 volts or more present?
YES - Go to step 6.
NO - Substitute a known-good XM receiver and recheck. If 10 volts or more are present, replace the original XM receiver.
6. Turn the ignition switch ON (II).
7. Check the voltage between audio unit connector D (14P) No. 2 terminal and body ground.
Is there less than 0.1 V?
YES - Substitute a known-good XM receiver, then reconnect all connector and recheck. If the symptom/indication goes away, replace the original XM receiver. If symptom/indication is still present, replace the audio unit.
NO - Substitute a known-good audio unit and recheck. If 0.5 volts or less are present, replace the original audio unit.
8. Turn the ignition switch to LOCK (0).
9. Check the voltage between CD changer connector B (14P) No. 2 terminal and body ground.
Is there 10 volts or more present?
YES - Go to step 10.
NO - Substitute a known-good XM receiver and recheck. If 10 volts or more are present, replace the original XM receiver.
10. Turn the ignition switch ON (II).
11. Check the voltage between CD changer connector B (14P) No. 2 terminal and body ground.
Is there less than 0.1 V?
YES - Substitute a known-good XM receiver, then reconnect all connector and recheck. If the symptom/indication goes away, replace the original XM receiver. If symptom/indication is still present, replace the audio unit
NO - Substitute a known-good CD changer and recheck. If 0.5 volts or less are present, replace the original CD changer.