Part 2

• If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the audio amplifier.
• If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the audio amplifier.

8. If all circuits test normal, replace the speaker.

Speaker Circuit Malfunction - with Amplifier UQA/UQS without UK6
1. Ignition OFF, disconnect the X3 harness connector at the audio amplifier.
2. Radio ON, test for 5.0-7.5 V between the appropriate signal circuit terminal listed below and ground.

* Center channel low level audio signal (+) -terminal 3
* Center channel low level audio signal (+) -terminal 2
* Left front low level audio signal (+) -terminal 15
* Left front low level audio signal (-) -terminal 7
* Right front low level audio signal (+) -terminal 14
* Right front low level audio signal (-) -terminal 6
* Left rear low level audio signal (+) -terminal 13
* Left rear low level audio signal (-) -terminal 5
* Right rear low level audio signal (+) -terminal 12
* Right rear low level audio signal (-) -terminal 4
* Subwoofer low level audio signal (+) -terminal 1
* Subwoofer low level audio signal (+) -terminal 9

• If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.
• If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.

3. Ignition OFF, disconnect the X1 and X2 harness connectors at the amplifier.
4. Ignition ON, test for less than 1 volt between each of the signal circuit terminals listed below and ground.

* Left front speaker output (+)- terminal 5 X1
* Left front speaker output (-)-terminal 1 X1
* Right front speaker output (+)- terminal 8 X2
* Right front speaker output (-) -terminal 7 X2
* Left rear speaker output (+) -terminal 15 X2
* Left rear speaker output (-) -terminal 16 X2
* Right rear speaker output (+)- terminal 2 X2
* Right rear speaker output (-)- terminal 1 X2
* Front center speaker output (+) -terminal 4 X2
* Front center speaker output (-)-terminal 3 X2
* Rear compartment speaker output (+) -terminal 6 X2
* Rear compartment speaker output (-) -terminal 5 X2
* Subwoofer speaker output (+)- terminal 7 X1
* Subwoofer speaker output (-) -terminal 3 X1

• If greater than the specified value, test both signal circuits of the affected speaker for a short to voltage.

5. Ignition OFF, test for infinite resistance between each of the signal circuit terminals listed below and ground.

* Left front speaker output (+)- terminal 5 X1
* Left front speaker output (-)-terminal 1 X1
* Right front speaker output (+)- terminal 8 X2
* Right front speaker output (-) -terminal 7 X2
* Left rear speaker output (+) -terminal 15 X2
* Left rear speaker output (-) -terminal 16 X2
* Right rear speaker output (+)- terminal 2 X2
* Right rear speaker output (-)- terminal 1 X2
* Front center speaker output (+) -terminal 4 X2
* Front center speaker output (-)-terminal 3 X2
* Rear compartment speaker output (+) -terminal 6 X2
* Rear compartment speaker output (-) -terminal 5 X2
* Subwoofer speaker output (+)- terminal 7 X1
* Subwoofer speaker output (-) -terminal 3 X1

• If less than the specified value, test both signal circuits of the affected speaker for a short to ground.

6. Reconnect all harness connectors at the amplifier. Disconnect the harness connector at the appropriate speaker.
7. Radio ON, test for 5.0-7.5 V between each of the appropriate signal circuit terminals listed below and ground.

* Front A pillar speakers - terminals A and B
* Center IP speaker- terminals A and B
* Door speakers - terminals A and B
* Rear compartment speakers- terminals A and B
* Subwoofer speaker - terminals A and B

• If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the audio amplifier.
• If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the audio amplifier.

8. If all circuits test normal, replace the speaker.

Speaker Circuit Malfunction - with Amplifier UQG with UK6
1. Ignition OFF, disconnect the X2 harness connector at the Auxiliary Radio/HVAC Control.
2. Ignition ON, radio ON, test for 5.0-7.5 V between the appropriate signal circuit terminal listed below and ground.

* Left Rear Low Level Audio Signal (+) - terminal 1
* Left Rear Low Level Audio Signal (-) - terminal 2
* Right Rear Low Level Audio Signal (+) - terminal 3
* Right Rear Low Level Audio Signal (-) - terminal 4

• If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.
• If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.

3. Ignition OFF, reconnect the X2 harness connector at the Auxiliary Radio/HVAC Control. Disconnect the X3 harness connector at the audio amplifier.
4. Radio ON, test for 5.0-7.5 V between the appropriate signal circuit terminal listed below and ground.

* Left rear low level audio signal (+) -terminal 7
* Left rear low level audio signal (-) -terminal 15
* Right rear low level audio signal (+) -terminal 8
* Right rear low level audio signal (-) -terminal 16

• If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the auxiliary radio/HVAC control.
• If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the auxiliary radio/HVAC control.

5. Test for 5.0-7.5 V between the appropriate signal circuit terminal listed below and ground.

* Left front low level audio signal (+) terminal 5
* Left front low level audio signal (-) terminal 13
* Right front low level audio signal (+) terminal 6
* Right front low level audio signal (-) terminal 14

• If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.
• If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.

6. Ignition OFF, disconnect the X1 and X2 harness connectors at the amplifier.
7. Ignition ON, test for less than 1 volt between each of the signal circuit terminals listed below and ground.

* Left subwoofer speaker output (+) -terminal 3 X1
* Left subwoofer speaker output (-)-terminal 7 X1
* Right subwoofer speaker output (+)- terminal 4 X1
* Right subwoofer speaker output (-) -terminal 8 X1
* Left front speaker output (+)- terminal 1 X2
* Left front speaker output (-)-terminal 9 X2
* Right front speaker output (+)- terminal 2 X2
* Right front speaker output (-) -terminal 10 X2
* Left rear speaker output (+) -terminal 3 X2
* Left rear speaker output (-) -terminal 11 X2
* Right rear speaker output (+)- terminal 4 X2
* Right rear speaker output (-)- terminal 12 X2
* Front center speaker output (+) -terminal 5 X2
* Front center speaker output (-)-terminal 13 X2
* Rear compartment speaker output (+) -terminal 6 X2
* Rear compartment speaker output (-) -terminal 14 X2