Contents Wiring diagrams Section: Amplifier (Amp) - Electrical Diagnostics - Base All sections

POSSIBLE CAUSES Dodge Dart PF

POSSIBLE CAUSES

Possible Causes
(X209) AMPLIFIED LEFT FRONT I/P SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X299) AMPLIFIED LEFT FRONT I/P SPEAKER (-) CIRCUIT SHORTED TO GROUND
LEFT FRONT I/P SPEAKER
AMPLIFIER

Scheme 86

Scheme 86: DIAGNOSTIC TEST

Scheme 87

Scheme 87

Scheme 88

Scheme 88
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. With the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1460-11-CHANNEL 1 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE LEFT INSTRUMENT PANEL (I/P) SPEAKER Make sure that one of the front doors are still open. With the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Left I/P Speaker harness connector. Turn the ignition on. Turn the Radio. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1460-11-CHANNEL 1 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND? Yes Go To 3 No Replace the Left Instrument Panel Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  3. CHECK THE (X209) AMPLIFIED LEFT FRONT I/P SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X209) Left I/P Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X209) Left I/P Speaker (+) circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 4
  4. CHECK THE (X299) AMPLIFIED LEFT FRONT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X299) Left I/P Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X299) Left I/P Speaker (-) circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

The Amplifier detects a short to battery condition on the speaker output circuit when the ignition is cycled on.

Possible Causes
(X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT SHORTED TO VOLTAGE
(X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT SHORTED TO VOLTAGE
AMPLIFIER

Scheme 89

Scheme 89: DIAGNOSTIC TEST

Scheme 90

Scheme 90
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. With the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1460-12-CHANNEL 1 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO BATTERY? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK FOR VOLTAGE ON THE (X209) LEFT INSTRUMENT PANEL (I/P) SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Left I/P Speaker harness connector. Turn the ignition on. Measure the voltage between the (X209) Left I/P Speaker (+) circuit and ground. Is there any voltage present? Yes Repair the (X209) Left I/P Speaker (+) circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 3
  3. CHECK FOR VOLTAGE ON THE (X299) LEFT I/P SPEAKER (-) CIRCUIT Measure the voltage between the (X299) Left I/P Speaker (-) circuit and ground. Is there any voltage present? Yes Repair the (X299) Left I/P Speaker (-) circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

The Amplifier detects an open condition on the speaker output circuit when the ignition is cycled on.

Possible Causes
(X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT OPEN
(X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT OPEN
LEFT FRONT I/P SPEAKER
AMPLIFIER

Scheme 91

Scheme 91: DIAGNOSTIC TEST

Scheme 92

Scheme 92

Scheme 93

Scheme 93
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. With the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1460-13-CHANNEL 1 AUDIO SPEAKER OUTPUT - CIRCUIT OPEN? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE OPERATION OF THE LEFT FRONT I/P SPEAKER Turn the ignition off. Disconnect the Left I/P Speaker harness connector. Turn the ignition on. Turn the Radio on and set the volume to 25. Adjust the speakers to the front and center. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left I/P Speaker circuits in the Amplified Left I/P Speaker harness connector. Is the voltage present above 1.0 volt? Yes Replace the Amplified Left I/P Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 3
  3. CHECK THE (X209) LEFT I/P SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X209) Left I/P Speaker (+) circuit between the Amplifier C1 harness connector and the Left I/P Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Go To 4 No Repair the (X209) Left I/P Speaker (+) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  4. CHECK THE (X299) LEFT I/P SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X299) Left I/P Speaker (-) circuit between the Amplifier C1 harness connector and the Left I/P Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Repair the (X299) Left I/P Speaker (-) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

This Diagnostic Trouble Code (DTC) sets if a Direct Current (DC) offset occurs on the output channel, when the ignition is cycled on. The Amplifier shall set a DTC after a maturity rate of four to six seconds.

Possible Causes
AMPLIFIER

When the ignition is cycled on.

The Amplifier detects that the output circuits are shorted together when the ignition is cycled on.

Possible Causes
(X209) AMPLIFIED LEFT INSTRUMENT PANEL (I/P) (+) CIRCUIT SHORTED TO THE (X299) AMPLIFIED LEFT INSTRUMENT PANEL (I/P) (-) CIRCUIT
LEFT INSTRUMENT PANEL (I/P) SPEAKER
AMPLIFIER

Scheme 94

Scheme 94: DIAGNOSTIC TEST

Scheme 95

Scheme 95
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. Using the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1464-00-CHANNEL 1 AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE OPERATION OF THE AMPLIFIED LEFT I/P SPEAKER Turn the ignition off. Disconnect the Left I/P Speaker harness connector. Measure the resistance of the speaker between the two terminals. NOTE: The graphic shows the connector face for reference only. Measure at the speaker terminals. Is the resistance of the speaker less than 1.0 Ohm? Yes Replace the Left I/P Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 3
  3. CHECK THE (X209) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT, AND THE (X299) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X209) Left I/P Speaker (+) circuit and the (X299) Left I/P Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X209) Left I/P Speaker (+) circuit for a short to the (X299) Left I/P Speaker (-) circuit. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

The Amplifier detects a shorted to ground condition on the speaker output circuit when the ignition is cycled on.

Possible Causes
(X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT SHORTED TO GROUND
RIGHT I/P SPEAKER
AMPLIFIER

Scheme 96

Scheme 96: DIAGNOSTIC TEST

Scheme 97

Scheme 97

Scheme 98

Scheme 98
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. Using the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1465-11-CHANNEL 2 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE RIGHT INSTRUMENT PANEL (I/P) SPEAKER Make sure that one of the front doors are still open. Using the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Right I/P Speaker harness connector. Turn the ignition on. Turn the Radio on. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1465-11-CHANNEL 2 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND? Yes Go To 3 No Replace the Right Instrument Panel Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  3. CHECK THE (X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance between ground and the (X208) Right I/P Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X208) Right I/P Speaker (+) circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 4
  4. CHECK THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X298) Amplified Right I/P Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X298) Amplified Right I/P Speaker (-) for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

The Amplifier detects a short to battery condition on the speaker output circuit when the ignition is cycled on.

Possible Causes
(X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT SHORTED TO VOLTAGE
(X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT SHORTED TO VOLTAGE
AMPLIFIER

Scheme 99

Scheme 99: DIAGNOSTIC TEST

Scheme 100

Scheme 100
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. Using the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1465-12-CHANNEL 2 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO BATTERY? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK FOR VOLTAGE ON THE (X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Amplified Right I/P Speaker harness connector. Turn the ignition on. Measure for voltage between the (X208) Amplified Right I/P Speaker (+) circuit and ground. Is there any voltage present? Yes Repair the (X208) Amplified Right I/P Speaker (+) circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 3
  3. CHECK FOR VOLTAGE ON THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT Measure for voltage on the (X298) Amplified Right I/P Speaker (-) circuit and ground. Is there any voltage present? Yes Repair the (X298) Amplified Right I/P Speaker (-) circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

The Amplifier detects an open condition on the speaker output circuit when the ignition is cycled on.

Possible Causes
(X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT OPEN
(X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT OPEN
RIGHT I/P SPEAKER
AMPLIFIER

Scheme 101

Scheme 101: DIAGNOSTIC TEST

Scheme 102

Scheme 102

Scheme 103

Scheme 103
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. With the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1465-13-CHANNEL 2 AUDIO SPEAKER OUTPUT - CIRCUIT OPEN? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE OPERATION OF THE RIGHT FRONT I/P SPEAKER Turn the ignition off. Disconnect the Right I/P Speaker harness connector. Turn the ignition on. Turn the Radio on and turn the volume to 25. Adjust the speakers to the front and center. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Right I/P Speaker circuits in the Amplified Right I/P Speaker harness connector. Is the voltage present greater than 1.0 volt? Yes Replace the Amplified Right I/P Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 3
  3. CHECK THE (X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Measure the resistance of the (X208) Amplified Right I/P Speaker (+) circuit between the Amplifier C1 harness connector and the Amplified Right I/P Speaker harness connector. Is the resistance below 2.5 Ohms? Yes Go To 4 No Repair the (X208) Amplified Right I/P Speaker (+) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  4. CHECK THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X298) Amplified Right I/P Speaker (-) circuit between the Amplifier C1 harness connector and the Amplified Right I/P Speaker harness connector. Is the resistance below 2.5 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Repair the (X298) Amplified Right I/P Speaker (-) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

When the ignition is cycled on.

This Diagnostic Trouble Code (DTC) sets if a Direct Current (DC) offset occurs on the output channel, when the ignition is cycled on. The Amplifier shall set a DTC after a maturity rate of four to six seconds.

Possible Causes
AMPLIFIER

When the ignition is cycled on.

The Amplifier detects that the output circuits are shorted together when the ignition is cycled on.

Possible Causes
(X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT SHORTED TO THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT
AMPLIFIED RIGHT I/P SPEAKER
AMPLIFIER

Scheme 104

Scheme 104: DIAGNOSTIC TEST

Scheme 105

Scheme 105
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. With the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1469-00-CHANNEL 2 AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE OPERATION OF THE AMPLIFIED RIGHT I/P SPEAKER Turn the ignition off. Disconnect the Amplified Right I/P Speaker harness connector. Measure the resistance of the speaker between the two terminals. NOTE: The graphic shows the connector for reference only. Measure at the speaker terminals. Is the resistance of the speaker below 1.0 Ohm? Yes Replace the Amplified Right I/P Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 3
  3. CHECK THE (X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT, AND THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X208) Amplified Right I/P Speaker (+) circuit, and the (X298) Amplified Right I/P Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X208) Amplified Right I/P Speaker (+) circuit, and the (X298) Amplified Right I/P Speaker (-) circuit for a short together. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .

Scheme 106

Scheme 106: B146A-11-CHANNEL 3 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When the ignition is cycled on.

The Amplifier detects a shorted to ground condition on the speaker output circuit when the ignition is cycled on.

Possible Causes
(X201) LEFT FRONT DOOR SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X291) LEFT FRONT DOOR SPEAKER (-) CIRCUIT SHORTED TO GROUND
LEFT FRONT DOOR SPEAKER
AMPLIFIER

Scheme 107

Scheme 107: DIAGNOSTIC TEST

Scheme 108

Scheme 108

Scheme 109

Scheme 109
  1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on and open one of the front doors. NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs. Using the scan tool, record and erase the Amplifier DTCs. Cycle the ignition switch from on to off, wait five seconds and then back to on. Turn the Radio on. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146A-11-CHANNEL 3 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND? Yes Go To 2 No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  2. CHECK THE LEFT FRONT DOOR SPEAKER Make sure that one of the front doors are still open. Using the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Left Front Door Speaker harness connector. Turn the ignition on. Turn the Radio on. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146A-11-CHANNEL 3 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND? Yes Go To 3 No Replace the Left Front Door Speaker in accordance with the Service Information. Refer to «SPEAKER, REMOVAL»(ref-646238-S17513211412014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .
  3. CHECK THE (X201) LEFT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance between ground and the (X201) Left Front Door Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X201) Left Front Door Speaker (+) circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Go To 4
  4. CHECK THE (X291) LEFT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X291) Left Front Door Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X291) Left Front Door Speaker (-) for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) . No Replace the Amplifier in accordance with the Service Information. Refer to «AMPLIFIER, REMOVAL»(ref-646238-S06891684492014072800000) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-646248-S24006549342014072800000) .