Audio System - Electrical Diagnostics: Diagnosis Dodge Charger V

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

Diagnostic Test

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B210D-BATTERY VOLTAGE LOW? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER With the scan tool in Data Display, read Amplifier battery voltage. Is the battery voltage less than 9.0 volts? Yes Go To 3) . No Replace the Amplifier in accordance with the Service Information. Perform «*OCS VERIFICATION TEST - VER 1»(ref-256029-S06493204342007060500000) .
3. 3) CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM) With the scan tool in ECU View, select PCM and check for any Charging System related DTCs. Does the scan tool display any Charging System related DTCs? Yes Diagnose and repair the DTCs. Refer to appropriate ENGINE - ELECTRICAL DIAGNOSTICS article. No Replace the Amplifier in accordance with the Service Information. «*OCS VERIFICATION TEST - VER 1»(ref-256029-S06493204342007060500000)

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B210E-BATTERY VOLTAGE HIGH? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER With the scan tool in Data Display, read Amplifier battery voltage. Is the battery voltage greater than 16.5 volts? Yes Go To 3) . No Replace the Amplifier in accordance with the Service Information. «*OCS VERIFICATION TEST - VER 1»(ref-256029-S06493204342007060500000)
3. 3) CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM) With the scan tool in ECU View, select PCM and check for any Charging System related DTCs. Does the scan tool display any Charging System related DTCs? Yes Diagnose and repair the DTCs. Refer to appropriate ENGINE - ELECTRICAL DIAGNOSTICS article. No Replace the Amplifier in accordance with the Service Information. «*OCS VERIFICATION TEST - VER 1»(ref-256029-S06493204342007060500000)

1. 1) REPLACE THE AMPLIFIER When this code is set, the Amplifier must be replaced. Repair Replace the Amplifier in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1488-CABIN EQ MISMATCH PERFORMANCE? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK AMPLIFIER BUSSED INPUTS/OUTPUTS With the scan tool in Amplifier Data Display, read the Cabin EQ# settings in the Bussed Inputs and Bussed Outputs Sections. NOTE: The Cabin EQ# settings in the Inputs/Outputs section should match one another. The Cabin EQ# in the Inputs section is the information that is received form the FCM. The Cabin EQ# in the Outputs section is the information that is Stored in the Amplifier's memory. The Cabin EQ# settings are as follows: *$51: HB Premium 1 (w/o Subwoofer) *$52: HB Premium 2 (with Subwoofer) Do the Cabin EQ# settings match one another? Yes Replace the Amplifier in accordance to the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) VERIFY COMMUNICATION WITH FRONT CONTROL MODULE With the scan tool in ECU VIEW, read active modules on the bus. Does the scan tool show the Front Control Module active on the bus? Yes Go To 4) . No Refer to the Communication article for the related symptoms. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CHECK FRONT CONTROL MODULE FOR ACTIVE DTCs With the scan tool, erase FCM DTCs. Turn the ignition off. Wait approximately 10 seconds. Turn the ignition on. With the scan tool, read FCM DTCs. Are any active DTCs present? Yes Refer to symptom list for problems related to the Front Control Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Front Control Module in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1460-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 1

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1465-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 2

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B146A-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 3

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B146B-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE (X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X201) Amplified Left Front Door Speaker (+) circuit. Is the resistance below 10K ohms? Yes Repair the (X201) Amplified Left Front Door Speaker (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X291) Amplified Left Front Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X291) Amplified Left Front Door Speaker (-) for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 4) .
4. 4) CHECK OPERATION OF THE AMPLIFIED LEFT FRONT DOOR SPEAKER Turn the ignition off. Reconnect and reinstall the Left Front Door Speaker. Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground. Is the resistance below 10K ohms? Yes Replace the Left Front Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FOR VOLTAGE ON THE (X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Left Front Door Speaker harness connector. Turn the ignition on. Measure for voltage on the (X201) Amplified Left Front Door Speaker (+) circuit. Is the voltage above 10.0 volts? Yes Repair the (X201) Amplified Left Front Door Speaker (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK FOR VOLTAGE ON THE (X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT Measure for voltage on the (X291) Amplified Left Front Door Speaker (-) circuit. Is the voltage above 10.0 volts? Yes Repair the (X291) Amplified Left Front Door Speaker (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B146D-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE LEFT REAR DOOR SPEAKER Disconnect the Left Rear Door Speaker harness connector. Turn the radio on and turn the volume to mid level. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left Rear Door Speaker circuits in the Amplified Left Rear Door Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Left Rear Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X201) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X201) Amplified Left Rear Door Speaker (+) circuit between the Amplifier C1 harness connector and the Amplified Left Rear Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Go To 4) . No Repair the (X201) Amplified Left Rear Door Speaker (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CHECK THE (X291) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X291) Amplified Left Rear Door Speaker (-) circuit between the Amplifier C1 harness connector and the Amplified Left Rear Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the (X291) Amplified Left Rear Door Speaker (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, erase Amplifier DTCs. Turn the radio on. Turn the volume level to 25. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B146E-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE AMPLIFIED LEFT FRONT DOOR SPEAKER Disconnect the Amplified Left Front Door Speaker. Measure the resistance of the speaker between the two terminals. Is the resistance of the speaker less than 1 ohm? Yes Replace the Amplified Left Front Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X201) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT, AND THE (X291) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X201) Amplified Left Front Door Speaker (+) circuit, and the (X291) Amplified Left Front Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X201) Amplified Left Front Door Speaker (+) circuit, and the (X291) Amplified Left Front Door Speaker (-) circuit for a short together. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B146F-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 4

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1470-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X202) Amplified Right Front Door Speaker (+) circuit. Is the resistance below 10K ohms? Yes Repair the (X202) Amplified Left Front Door Speaker (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X292) Amplified Right Front Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X292) Amplified Right Front Door Speaker (-) for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 4) .
4. 4) CHECK OPERATION OF THE AMPLIFIED RIGHT FRONT DOOR SPEAKER Turn the ignition off. Reconnect and reinstall the Right Front Door Speaker. Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground. Is the resistance below 10K ohms? Yes Replace the Right Front Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FOR VOLTAGE ON THE (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Right Front Door Speaker harness connector. Turn the ignition on. Measure for voltage on the (X202) Amplified Right Front Door Speaker (+) circuit. Is the voltage above 10.0 volts? Yes Repair the (X202) Amplified Right Front Door Speaker (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK FOR VOLTAGE ON THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT Measure for voltage on the (X292) Amplified Right Front Door Speaker (-) circuit. Is the voltage above 10.0 volts? Yes Repair the (X292) Amplified Right Front Door Speaker (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE RIGHT FRONT DOOR SPEAKER Disconnect the Right Front Door Speaker harness connector. Turn the radio on and turn the volume to mid level. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Right Front Door Speaker circuits in the Amplified Right Front Door Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Right Front Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X202) Amplified Right Front Door Speaker (+) circuit between the Amplifier C1 harness connector and the Amplified Right Front Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Go To 4) . No Repair the (X202) Amplified Right Front Door Speaker (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CHECK THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X292) Amplified Right Front Door Speaker (-) circuit between the Amplifier C1 harness connector and the Amplified Right Front Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the (X292) Amplified Right Front Door Speaker (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, erase Amplifier DTCs. Turn the radio on. Turn the volume level to 25. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1473-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE AMPLIFIED RIGHT FRONT DOOR SPEAKER Disconnect the Amplified Right Front Door Speaker. Measure the resistance of the speaker between the two terminals. Is the resistance of the speaker less than 1 ohm? Yes Replace the Amplified Right Front Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT, AND THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X202) Amplified Right Front Door Speaker (+) circuit, and the (X292) Amplified Right Front Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X202) Amplified Right Front Door Speaker (+) circuit, and the (X292) Amplified Right Front Door Speaker (-) circuit for a short together. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1474-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 5

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE (X393) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X393) Amplified Left Rear Door Speaker (+) circuit. Is the resistance below 10K ohms? Yes Repair the (X393) Amplified Left Rear Door Speaker (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X303) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X303) Amplified Left Rear Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X303) Amplified Left Rear Door Speaker (-) for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 4) .
4. 4) CHECK OPERATION OF THE AMPLIFIED LEFT REAR DOOR SPEAKER Turn the ignition off. Reconnect and reinstall the Left Rear Door Speaker. Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground. Is the resistance below 10K ohms? Yes Replace the Left Rear Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1476-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FOR VOLTAGE ON THE (X393) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Left Rear Door Speaker harness connector. Turn the ignition on. Measure for voltage on the (X393) Amplified Left Rear Door Speaker (+) circuit. Is the voltage above 10.0 volts? Yes Repair the (X393) Amplified Left Rear Door Speaker (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK FOR VOLTAGE ON THE (X303) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT Measure for voltage on the (X303) Amplified Left Rear Door Speaker (-) circuit. Is the voltage above 10.0 volts? Yes Repair the (X303) Amplified Left Rear Door Speaker (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1477-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE LEFT REAR DOOR SPEAKER Disconnect the Left Rear Door Speaker harness connector. Turn the radio on and turn the volume to mid level. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left Rear Door Speaker circuits in the Amplified Left Rear Door Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Left I/P Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X393) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X393) Amplified Left Rear Door Speaker (+) circuit between the Amplifier C1 harness connector and the Amplified Left Rear Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Go To 4) . No Repair the (X393) Amplified Left Rear Door Speaker (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CHECK THE (X303) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X303) Amplified Left Rear Door Speaker (-) circuit between the Amplifier C1 harness connector and the Amplified Left Rear Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the (X303) Amplified Left Rear Door Speaker (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, erase Amplifier DTCs. Turn the radio on. Turn the volume level to 25. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1478-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE AMPLIFIED LEFT REAR DOOR SPEAKER Disconnect the Amplified Left Rear Door Speaker. Measure the resistance of the speaker between the two terminals. Is the resistance of the speaker less than 1 ohm? Yes Replace the Amplified Left Rear Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X393) AMPLIFIED LEFT REAR DOOR SPEAKER (+) CIRCUIT, AND THE (X303) AMPLIFIED LEFT REAR DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X393) Amplified Left Rear Door Speaker (+) circuit, and the (X303) Amplified Left Rear Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X393) Amplified Left Rear Door Speaker (+) circuit, and the (X303) Amplified Left Rear Door Speaker (-) circuit for a short together. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1479-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 6

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B147A-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE (X304) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X304) Amplified Right Rear Door Speaker (+) circuit. Is the resistance below 10K ohms? Yes Repair the (X304) Amplified Right Rear Door Speaker (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X394) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X394) Amplified Right Rear Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X394) Amplified Right Rear Door Speaker (-) for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 4) .
4. 4) CHECK OPERATION OF THE AMPLIFIED RIGHT REAR DOOR SPEAKER Turn the ignition off. Reconnect and reinstall the Right Rear Door Speaker. Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground. Is the resistance below 10K ohms? Yes Replace the Right Rear Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B147B-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FOR VOLTAGE ON THE (X304) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Right Rear Door Speaker harness connector. Turn the ignition on. Measure for voltage on the (X304) Amplified Right Rear Door Speaker (+) circuit. Is the voltage above 10.0 volts? Yes Repair the (X304) Amplified Right Rear Door Speaker (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK FOR VOLTAGE ON THE (X394) AMPLIFIED RIGHT REAR SPEAKER SPEAKER (-) CIRCUIT Measure for voltage on the (X394) Amplified Right Rear Door Speaker (-) circuit. Is the voltage above 10.0 volts? Yes Repair the (X394) Amplified Right Rear Door Speaker (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B147C-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE RIGHT REAR DOOR SPEAKER Disconnect the Right Rear Door Speaker harness connector. Turn the radio on and turn the volume to mid level. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Right Rear Door Speaker circuits in the Amplified Right Rear Door Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Right Rear Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X304) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X304) Amplified Right Rear Door Speaker (+) circuit between the Amplifier C1 harness connector and the Amplified Right Rear Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Go To 4) . No Repair the (X304) Amplified Right Rear Door Speaker (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CHECK THE (X394) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X394) Amplified Right Rear Door Speaker (-) circuit between the Amplifier C1 harness connector and the Amplified Right Rear Door Speaker harness connector. Is the resistance below 5.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the (X394) Amplified Right Rear Door Speaker (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, erase Amplifier DTCs. Turn the radio on. Turn the volume level to 25. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B147D-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE AMPLIFIED RIGHT REAR DOOR SPEAKER Disconnect the Amplified Right Rear Door Speaker. Measure the resistance of the speaker between the two terminals. Is the resistance of the speaker less than 1 ohm? Yes Replace the Amplified Right Rear Door Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X304) AMPLIFIED RIGHT REAR DOOR SPEAKER (+) CIRCUIT, AND THE (X394) AMPLIFIED RIGHT REAR DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X304) Amplified Right Rear Door Speaker (+) circuit, and the (X394) Amplified Right Rear Door Speaker (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X304) Amplified Right Rear Door Speaker (+) circuit, and the (X394) Amplified Right Rear Door Speaker (-) circuit for a short together. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B147E-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 7

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B147F-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE (X300) AMPLIFIED SUBWOOFER 1 (+) CIRCUIT FOR A SHORT TO GROUND Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X300) Amplified Subwoofer 1 (+) circuit. Is the resistance below 10K ohms? Yes Repair the (X300) Amplified Subwoofer 1 (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X390) AMPLIFIED SUBWOOFER 1 (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X390) Amplified Subwoofer 1 (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X390) Amplified Subwoofer 1 (-) for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 4) .
4. 4) CHECK OPERATION OF THE AMPLIFIED SUBWOOFER Turn the ignition off. Reconnect the Subwoofer harness connector. Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground. Is the resistance below 10K ohms? Yes Replace the Subwoofer 1 in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1480-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FOR VOLTAGE ON THE (X300) AMPLIFIED SUBWOOFER 1 (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Subwoofer 1 harness connector. Turn the ignition on. Measure for voltage on the (X300) Amplified Subwoofer 1 (+) circuit. Is the voltage above 10.0 volts? Yes Repair the (X300) Amplified Subwoofer 1 (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK FOR VOLTAGE ON THE (X390) AMPLIFIED SUBWOOFER 1 (-) CIRCUIT Measure for voltage on the (X390) Amplified Subwoofer 1 (-) circuit. Is the voltage above 10.0 volts? Yes Repair the (X390) Amplified Subwoofer 1 (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1481-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE SUBWOOFER Disconnect the Subwoofer harness connector. Turn the radio on and turn the volume to mid level. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Subwoofer 1 circuits in the Amplified Subwoofer harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Subwoofer in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X300) AMPLIFIED SUBWOOFER 1 (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X300) Amplified Subwoofer 1 (+) circuit between the Amplifier C1 harness connector and the Amplified Subwoofer harness connector. Is the resistance below 5.0 ohms? Yes Go To 4) . No Repair the (X300) Amplified Subwoofer 1 (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CHECK THE (X390) AMPLIFIED SUBWOOFER 1 (-) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X390) Amplified Subwoofer 1 (-) circuit between the Amplifier C1 harness connector and the Amplified Subwoofer harness connector. Is the resistance below 5.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the (X390) Amplified Subwoofer 1 (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on, then off, and then on again. With the scan tool, erase Amplifier DTCs. Turn the radio on. Turn the volume level to 25. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1482-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK THE OPERATION OF THE AMPLIFIED SUBWOOFER 1 Disconnect the Amplified Subwoofer 1. Measure the resistance of the speaker between the two terminals. Is the resistance of the speaker less than 1 ohm? Yes Replace the Amplified Subwoofer 1 in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Go To 3) .
3. 3) CHECK THE (X300) AMPLIFIED SUBWOOFER 1 (+) CIRCUIT, AND THE (X390) AMPLIFIED SUBWOOFER 1 (-) CIRCUITS FOR A SHORT TOGETHER Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X300) Amplified Subwoofer 1 (+) circuit, and the (X390) Amplified Subwoofer 1 (-) circuit. Is the resistance below 10K ohms? Yes Repair the (X300) Amplified Subwoofer 1 (+) circuit, and the (X390) Amplified Subwoofer 1 (-) circuit for a short together. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

Scheme 8

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTCs Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display U0019-CAN B BUS CIRCUIT? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FRONT CONTROL MODULE DTCs With the scan tool, read Front Control Module DTCs Does the scan tool display any CAN B BUS DTCs - ACTIVE? Yes Refer to the symptom list for problems related to Communication in the «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . No Go to 3) .
3. 3) CAN B BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Amplifier harness connector. Disconnect the Front Control Module C1 harness connector. Measure the resistance of the (D55) Can B Bus (+) circuit between the Front Control Module C1 harness connector and the Amplifier harness connector. Is the resistance below 2.0 ohms? Yes Go To 4) . Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the Can B Bus (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) Can B Bus (-) circuit between the Front Control Module C1 harness connector and the Amplifier harness connector. Is the resistance below 2.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the Can B Bus (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTCs Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display U0020-CAN B BUS OFF PERFORMANCE? Yes Go To 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) CHECK FRONT CONTROL MODULE DTCs With the scan tool, read Front Control Module DTCs Does the scan tool display any CAN B BUS DTCs - ACTIVE? Yes Refer to the symptom list for problems related to Communication in the «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . No Go to 3) .
3. 3) CAN B BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Amplifier harness connector. Disconnect the Front Control Module C1 harness connector. Measure the resistance of the (D55) Can B Bus (+) circuit between the Front Control Module C1 harness connector and the Amplifier harness connector. Is the resistance below 2.0 ohms? Yes Go To 4) . Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the Can B Bus (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
4. 4) CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) Can B Bus (-) circuit between the Front Control Module C1 harness connector and the Amplifier harness connector. Is the resistance below 2.0 ohms? Yes Replace the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Repair the Can B Bus (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .

(Refer to ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic test procedure.

Scheme 9

1. 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X201) (X291) SPEAKER OUTPUT CIRCUITS. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Front Left Audio Speaker connector. Measure the resistance between ground and each speaker (X201)(+) and (X291)(-) circuit. Is the resistance below 1000.0 ohms for each circuit? Yes Repair the applicable Speaker (+) or (-) Output circuit for a short to ground condition. No Go To 3) .
3. 3) SPEAKER Turn the ignition off. Disconnect the Front Left Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X201) (X291) SPEAKER OUTPUT CIRCUITS. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Front Left Audio Speaker connector. Measure the resistance of each speaker (X201)(+) and (X291)(-) circuit between the Radio and the Speaker. Is the resistance below 5.0 ohms for each circuit? Yes Go To 3) . No Repair the applicable Output Speaker circuit for an open condition. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
3. 3) SPEAKER Turn the ignition off. Disconnect the Front Left Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

Scheme 10

1. 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X202) (X292) SPEAKER OUTPUT CIRCUITS. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Front Right Audio Speaker connector. Measure the resistance between ground and each speaker (X202)(+) and (X292)(-) circuit. Is the resistance below 1000.0 ohms for each circuit? Yes Repair the applicable Speaker (+) or (-) Output circuit for a short to ground condition. No Go To 3) .
3. 3) SPEAKER Turn the ignition off. Disconnect the Front Right Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1407-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X202) (X292) Speaker Output circuits. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Front Right Audio Speaker connector. Measure the resistance of each speaker (X202)(+) and (X292)(-) circuit between the Radio and the Speaker. Is the resistance below 5.0 ohms for each circuit? Yes Go To 3) . No Repair the applicable Output Speaker circuit for an open condition. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
3. 3) Speaker Turn the ignition off. Disconnect the Front Right Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1407-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

Scheme 11

1. 1) INTERMITTENT CONDITION Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X303) (X393) SPEAKER OUTPUT CIRCUITS. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Rear Left Audio Speaker connector. Measure the resistance between ground and each speaker (X303)(+) and (X393)(-) circuit. Is the resistance below 1000.0 ohms for each circuit? Yes Repair the applicable Speaker (+) or (-) Output circuit for a short to ground condition. No Go To 3) .
3. 3) SPEAKER Turn the ignition off. Disconnect the Rear Left Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1409-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) Intermittent Condition Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X303) (X393) Speaker Output circuits. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Rear Left Audio Speaker connector. Measure the resistance of each speaker (X303)(+) and (X393)(-) circuit between the Radio and the Speaker. Is the resistance below 5.0 ohms for each circuit? Yes Go To 3) . No Repair the applicable Output Speaker circuit for an open condition. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
3. 3) Speaker Turn the ignition off. Disconnect the Rear Left Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

Scheme 12

1. 1) Intermittent Condition Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140D-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X304) (X394) Speaker Output circuits. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Rear Right Audio Speaker connector. Measure the resistance between ground and each speaker (X304)(+) and (X394)(-) circuit. Is the resistance below 1000.0 ohms for each circuit? Yes Repair the applicable Speaker (+) or (-) Output circuit for a short to ground condition. No Go To 3) .
3. 3) Speaker Turn the ignition off. Disconnect the Rear Right Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140D-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) Intermittent Condition Turn the ignition on. With the Scan Tool, clear all Audio DTC's. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2) . No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) (X394) (X304) Speaker Output circuits. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Rear Right Audio Speaker connector. Measure the resistance of each speaker (X304)(+) and (X394)(-) circuit between the Radio and the Speaker. Is the resistance below 5.0 ohms for each circuit? Yes Go To 3) . No Repair the applicable Output Speaker circuit for an open condition. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
3. 3) Speaker Turn the ignition off. Disconnect the Rear Right Audio Speaker. Turn the ignition on. Turn the Radio on. With the Scan Tool, clear all Audio DTC's. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Replace the Speaker in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) RADIO Replace the problem CD with a good, clean, unscratched, music CD. Turn the radio CD player on. With the Scan Tool, read DTC's. Does the Scan Tool display: B1421 Audio CD Read Error/Inoperable Disc? Yes Eject the inoperative CD and replace the CD in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) DVD PLAYER Replace the problem DVD with a good, clean, unscratched DVD. Turn the DVD player on. With the Scan Tool, read DTC's. Does the Scan Tool display: B1422 Audio DVD Read Error/Inoperable Disc? Yes Eject the inoperative DVD and replace the DVD in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) VERIFY THAT DTC B1429-RADIO DISPLAY HIGH TEMPERATURE IS ACTIVE. With the Scan Tool, erase the Audio DTC's. Start the engine and allow the engine to reach normal operating temperature. If the vehicle has been in the hot sunlight or extreme cold, move the vehicle indoors and open the doors to allow the inside temperature to stabilize. The radio display should operate to 158°F. With the Scan Tool, read the DTC's. Does the Scan Tool display, B1429- Radio Display High Temperature? Yes Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) VERIFY THAT DTC B142A-RADIO UNIT HIGH TEMPERATURE IS ACTIVE. With the Scan Tool, erase the Audio DTC's. Start the engine and allow the engine to reach normal operating temperature. If the vehicle has been in the hot sunlight or extreme cold, move the vehicle indoors and open the doors to allow the inside temperature to stabilize. The Radio should operate between -23°C and 65°C ( -10°F and +145°F ). With the Scan Tool, read the DTC's. Does the Scan Tool display, B142A- Radio Unit High Temperature? Yes Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) Test Antenna Turn the ignition off. Disconnect the Radio Antenna connector. Inspect the Radio Antenna connection. Was the Antenna connection clean and secure? Yes Go To 2) . No Repair the Antenna connection as needed. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) ANTENNA Refer to the Audio System in the service information and test the antenna in accordance with the service procedure. Is the Antenna ok? Yes Go To 3) . No Repair or replace the Antenna assembly as necessary. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
3. 3) RADIO NOTE: Reconnect all previously disconnected components. NOTE: Move vehicle outside approximately 30ft from any structure. Turn the ignition and radio on. With the Scan Tool, erase the audio DTC's, put the radio in seek up and down mode for 2 loops around the band cycle before proceeding. With the Scan Tool, read the audio DTC's. Did this DTC reset? Yes Replace the radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) TEST ANTENNA Turn the ignition off. Disconnect the GPS Antenna connector. Inspect the GPS Antenna connection. Was the Antenna connection clean and secure? Yes Go To 2) . No Repair the Antenna connection as needed. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
2. 2) ANTENNA Refer to the Audio System in the service information and test the antenna in accordance with the service procedure. Is the Antenna ok? Yes Go To 3) . No Repair or replace the Antenna assembly as necessary. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .
3. 3) RADIO NOTE: Reconnect all previously disconnected components. NOTE: Move vehicle outside approximately 30ft from any structure. Turn the ignition and radio on. With the Scan Tool, erase the audio DTC's and operate the navigation system. With the Scan Tool, read the audio DTC's. Did this DTC reset? Yes Replace the radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) . No Test Complete.

1. 1) Verify DTC B221E-RADIO INTERNAL IS ACTIVE NOTE: If a DTC is set, erase the DTC and attempt to reset the DTC. If the DTC resets, follow test. This is an internal radio failure View repair Does the DTC reset and read B221E-Radio Internal? Repair Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-255944-S11703373722007060500000) .