Amplifier (Amp) - Electrical Diagnostics: Other Jeep Compass I рестайлинг

When Monitored

With the ignition on.

Set Condition

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

Possible Causes

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 38

Scheme 39

Scheme 40

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. LEFT INSTRUMENT PANEL (I/P) SPEAKER With the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Left Instrument Panel 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 the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Left Instrument Panel Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X209) LEFT 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 in the Amplifier C1 connector. Is the resistance below 10K Ohms? Yes Repair the (X209) Left I/P Speaker (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X299) LEFT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X299) Left I/P Speaker (-) circuit in the Amplifier C1 connector. Is the resistance below 10K Ohms? Yes Repair the (X299) Left I/P Speaker (-) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

The Amplifier detects a short to battery condition on the speaker output circuit.

Scheme 41

Scheme 42

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1462-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X209) LEFT INSTRUMENT PANEL (I/P) SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Amplifier bus wake-up.

Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 43

Scheme 44

Scheme 45

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1463-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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE LEFT I/P SPEAKER Turn the ignition off. Disconnect the Left I/P Speaker harness connector. Turn the ignition on. Turn the Radio on and turn the volume to mid level. Adjust the speakers to the front and center. With a voltmeter set to read in A/C voltage, measure the voltage of the Left I/P Speaker circuits in the Left Front I/P Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Left I/P Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
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 «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X299) Left I/P Speaker (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 46

Scheme 47

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1464-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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
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 for reference only. Measure at the speaker terminals. Is the resistance of the speaker less than 1 Ohm? Yes Replace the Left I/P Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 48

Scheme 49

Scheme 50

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1466-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. RIGHT INSTRUMENT PANEL (I/P) SPEAKER With the scan tool, erase the Amplifier DTCs. Turn the ignition off. Disconnect the Right Instrument Panel Speaker harness connector. Turn the ignition on. Turn the radio on and set the column to 25. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1466-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Right Instrument Panel Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X208) RIGHT 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 (X208) Right I/P Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X208) Amplified Right Front I/P Speaker (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X298) RIGHT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X298) Right Front I/P Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X298) Right I/P Speaker (-) for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 51

Scheme 52

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1467-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X208) RIGHT I/P SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Right I/P Speaker harness connector. Turn the ignition on. Measure for voltage on the (X208) Right I/P Speaker (+) circuit. Is there any voltage present? Yes Repair the (X208) Right I/P Speaker (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X298) RIGHT I/P SPEAKER (-) CIRCUIT Measure for voltage on the (X298) Right I/P Speaker (-) circuit. Is there any voltage present? Yes Repair the (X298) Right I/P Speaker (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 53

Scheme 54

Scheme 55

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1468-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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
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 mid level. 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 volt? Yes Replace the Amplified Right I/P Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X208) 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 2.0 Ohms? Yes Go To 4 . No Repair the (X208) Right I/P Speaker (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X298) RIGHT I/P SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X298) Right I/P Speaker (-) circuit between the Amplifier C1 harness connector and the Right I/P Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X298) Amplified Right I/P Speaker (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 56

Scheme 57

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1469-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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED RIGHT I/P SPEAKER Turn the ignition off. Disconnect the 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 the speaker terminals. Is the resistance of the speaker less than 1 Ohm? Yes Replace the Right I/P Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X208) RIGHT I/P SPEAKER (+) CIRCUIT, AND THE (X298) RIGHT I/P SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C1 harness connector. Measure the resistance between the (X208) Right I/P Speaker (+) circuit, and the (X298) Right I/P Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X208) Right I/P Speaker (+) circuit for a short to the (X298) Right I/P Speaker (-) circuit. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B146A-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE

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

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 58

Scheme 59

Scheme 60

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146B-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. LEFT FRONT DOOR SPEAKER With 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 and set the column to 25. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146B-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Amplified Left Front Door Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X153) AMPLIFIED 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 (X153) Amplified Left Front Door Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X153) Amplified Left Front Door Speaker (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X155) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X155) Amplified Left Front Door Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X155) Amplified Left Front Door Speaker (-) for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH

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

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 61

Scheme 62

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X153) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Left Front Door Speaker harness connector. Turn the ignition on. Measure for voltage between ground and the (X153) Amplified Left Front Door Speaker (+) circuit. Is there any voltage present? Yes Repair the (X153) Amplified Left Front Door Speaker (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X155) AMPLIFIED LEFT FRONT SPEAKER (-) CIRCUIT Measure the voltage between ground and the (X155) Amplified Left Front Door Speaker (-) circuit. Is there any voltage present? Yes Repair the (X155) Amplified Left Front Door Speaker (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B146D-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT OPEN

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

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 63

Scheme 64

Scheme 65

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146D-CHANNEL 3 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LEFT FRONT DOOR SPEAKER Turn the ignition off. Disconnect the Left Front Door 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 between the Amplified Left Front Door Speaker (+) and (-) circuits in the Left Front Door Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Left Front Door Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X153) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance of the (X153) Amplified Left Front Door Speaker (+) circuit between the Amplifier C2 harness connector and the Left Front Door Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Go To 4 . No Repair the (X153) Amplified Left Front Speaker (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X155) AMPLIFIED LEFT FRONT SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X155) Amplified Left Front Door Speaker (-) circuit between the Amplifier C2 harness connector and the Left Front Door Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X155) Amplified Left Front Door Speaker (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B146E-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER

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

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 66

Scheme 67

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B146E-CHANNEL 3 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LEFT FRONT DOOR SPEAKER Turn the ignition off. Disconnect the Left Front Door Speaker harness connector. Measure the resistance of the speaker between the two terminals. NOTE: The graphic shows the connector for reference only. Measure between the speaker 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X153) AMPLIFIED LEFT FRONT DOOR SPEAKER (+) CIRCUIT, AND THE (X155) AMPLIFIED LEFT FRONT DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C2 harness connector. Measure the resistance between the (X153) Amplified Left Front Door Speaker (+) circuit, and the (X155) Amplified Left Front Door Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X153) Amplified Left Front Door Speaker (+) circuit for a short to the (X155) Amplified Left Front Door Speaker (-) circuit. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B146F-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE

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

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 68

Scheme 69

Scheme 70

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1470-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. RIGHT FRONT DOOR SPEAKER With the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Right Front Door Speaker harness connector. Turn the ignition on Turn the radio on and set the column to 25. Adjust the speakers to the front and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1470-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Right Front Door Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X154) AMPLIFIED RIGHT 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 (X154) Amplified Right Front Door Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X154) Amplified Right Front Door Speaker (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X156) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X156) Amplified Right Front Door Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X156) Amplified Right Front Door Speaker (-) for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 71

Scheme 72

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X154) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Amplified Right Front Door Speaker harness connector. Turn the ignition on. Measure the voltage between the (X154) Amplified Right Front Door Speaker (+) circuit and ground. Is there any voltage present? Yes Repair the (X154) Amplified Right Front Door Speaker (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X156) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT Measure the voltage between the (X156) Amplified Right Front Door Speaker (-) circuit and ground. Is there any voltage present? Yes Repair the (X156) Amplified Right Front Door Speaker (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 73

Scheme 74

Scheme 75

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1472-CHANNEL 4 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED RIGHT FRONT SPEAKER Turn the ignition off. Disconnect the Amplified Right Front Speaker harness connector. Turn the ignition on. Turn the radio on and turn the volume to mid level. 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 Front Door Speaker circuits in the Amplified Right Front Door Speaker harness connector. Is the voltage above 1 volt? Yes Replace the Amplified Right Front Door Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X154) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance of the (X154) Amplified Right Front Door Speaker (+) circuit between the Amplifier C2 harness connector and the Amplified Right Front Door Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Go To 4 . No Repair the (X154) Amplified Right Front Door Speaker (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X156) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X156) Amplified Right Front Door Speaker (-) circuit between the Amplifier C2 harness connector and the Amplified Right Front Door Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X156) Amplified Right Front Door Speaker (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 76

Scheme 77

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 and set the volume to 25. Adjust the speakers to the front and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1473-CHANNEL 4 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED RIGHT FRONT DOOR SPEAKER Turn the ignition off. Disconnect the Amplified Right Front Door Speaker harness connector. Measure the resistance of the speaker between the two terminals. NOTE: The graphic shows the connector for reference only. Measure between the speaker 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X154) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT, AND THE (X156) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C2 harness connector. Measure the resistance between the (X154) Amplified Right Front Door Speaker (+) circuit, and the (X156) Amplified Right Front Door Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X154) Amplified Right Front Door Speaker (+) circuit for a short to the (X156) Amplified Right Front Door Speaker (-) circuit. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 78

Scheme 79

Scheme 80

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. LEFT REAR SPEAKER With the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Left Rear Speaker harness connector. Turn the ignition on. Turn the radio on and set the volume to 25. Adjust the speakers to the rear and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Amplified Left Rear Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X205) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance between ground and the (X205) Amplified Left Rear Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X205) Amplified Left Rear Speaker (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X295) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X295) Amplified Left Rear Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X295) Amplified Left Rear Speaker (-) for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 81

Scheme 82

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1476-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X205) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Turn the ignition on. Measure the voltage between the (X205) Amplified Left Rear Speaker (+) circuit and ground. Is there any voltage present? Yes Repair the (X205) Amplified Left Rear Speaker (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X295) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUIT Measure the voltage between the (X295) Amplified Left Rear Speaker (-) circuit and ground. Is there any voltage present? Yes Repair the (X295) Amplified Left Rear Speaker (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 83

Scheme 84

Scheme 85

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1477-CHANNEL 5 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LEFT REAR SPEAKER Turn the ignition off. Disconnect the Amplified Left Rear Speaker harness connector. Turn the ignition on. Turn the radio on and turn the volume to mid level. Adjust the speakers to the rear and center. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left Rear Speaker circuits in the Amplified Left Rear Speaker harness connector. Is the voltage present greater than 1 volt? Yes Replace the Amplified Left Rear Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X205) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance of the (X205) Amplified Left Rear Speaker (+) circuit between the Amplifier C2 harness connector and the Amplified Left Rear Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Go To 4 . No Repair the (X205) Amplified Left Rear Speaker (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X295) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X295) Amplified Left Rear Speaker (-) circuit between the Amplifier C2 harness connector and the Amplified Left Rear Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X295) Amplified Left Rear Speaker (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 86

Scheme 87

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B1478-CHANNEL 5 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE LEFT REAR SPEAKER Turn the ignition off. Disconnect the Left Rear Speaker. Measure the resistance of the speaker between the two terminals. NOTE: The graphic shows the connector for reference only. Measure between the speaker terminals Is the resistance of the speaker less than 1 Ohm? Yes Replace the Amplified Left Rear Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X205) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT, AND THE (X295) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C2 harness connector. Measure the resistance between the (X205) Amplified Left Rear Speaker (+) circuit, and the (X295) Amplified Left Rear Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X205) Amplified Left Rear Speaker (+) circuit for a short to the (X295) Amplified Left Rear Speaker (-) circuit. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 88

Scheme 89

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. 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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B147A-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. RIGHT REAR SPEAKER With the scan tool, erase the DTCs. Turn the ignition off. Disconnect the Right Rear Speaker harness connector. Turn the ignition on Turn the radio on and set the volume to 25. Adjust the speakers to the rear and center. With the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B147A-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Amplified Right Rear Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X206) AMPLIFIED RIGHT REAR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance between ground and the (X206) Amplified Right Rear Speaker (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X206) Amplified Right Rear Speaker (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X296) AMPLIFIED RIGHT REAR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X296) Amplified Right Rear Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X296) Amplified Right Rear Speaker (-) for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B147B-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT HIGH

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

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 91

Scheme 92

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B147B-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X206) AMPLIFIED RIGHT REAR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Turn the ignition on. Measure the voltage between the (X206) Amplified Right Rear Speaker (+) circuit and ground. Is there any voltage present? Yes Repair the (X206) Amplified Right Rear Speaker (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X296) AMPLIFIED RIGHT REAR SPEAKER (-) CIRCUIT Measure the voltage between the (X296) Amplified Right Rear Speaker (-) circuit and ground. Is there any voltage present? Yes Repair the (X296) Amplified Right Rear Speaker (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B147C-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT OPEN

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

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 93

Scheme 94

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B147C-CHANNEL 6 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE RIGHT REAR SPEAKER Turn the ignition off. Disconnect the Right Rear Speaker harness connector. Turn the ignition on. Turn the radio on and turn the volume to mid level. Adjust the speakers to the rear and center. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Right Rear Speaker circuits in the Amplified Right Rear Speaker harness connector. Is the voltage above 1 volt? Yes Replace the Amplified Right Rear Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X206) AMPLIFIED RIGHT REAR SPEAKER (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance of the (X206) Amplified Right Rear Speaker (+) circuit between the Amplifier C2 harness connector and the Amplified Right Rear Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Go To 4 . No Repair the (X206) Amplified Right Rear Speaker (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X296) AMPLIFIED RIGHT REAR SPEAKER (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X296) Amplified Right Rear Speaker (-) circuit between the Amplifier C2 harness connector and the Amplified Right Rear Speaker harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X296) Amplified Right Rear Speaker (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B147D-CHANNEL 6 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER

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

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 96

Scheme 97

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B147D-CHANNEL 6 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED RIGHT REAR SPEAKER Turn the ignition off. Disconnect the Amplified Right Rear Speaker. Measure the resistance of the speaker between the two terminals. NOTE: The graphic shows the connector for reference only. Measure between the speaker terminals. Is the resistance of the speaker less than 1 Ohm? Yes Replace the Amplified Right Rear Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X206) AMPLIFIED RIGHT REAR SPEAKER (+) CIRCUIT, AND THE (X296) AMPLIFIED RIGHT REAR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C2 harness connector. Measure the resistance between the (X206) Amplified Right Rear Speaker (+) circuit, and the (X296) Amplified Right Rear Speaker (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X206) Amplified Right Rear Speaker (+) circuit for a short to the (X296) Amplified Right Rear Speaker (-) circuit. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

B147E-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT PERFORMANCE

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

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 98

Scheme 99

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display active: B147F-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE AMPLIFIED LIFTGATE SPEAKER FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplified Liftgate Speaker harness connector. Turn the ignition on, engine not running. With the scan tool, read the active DTCs. Does the scan tool display: B147F-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Amplified Liftgate Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X214) AMPLIFIED LIFTGATE SPEAKER 1 (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance between ground and the (X214) Amplified Liftgate Speaker 1 (+) circuit. Is the resistance below 10K Ohms? Yes Repair the (X214) Amplified Liftgate Speaker 1 (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X284) AMPLIFIED LIFTGATE SPEAKER 1 (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X284) Amplified Liftgate Speaker 1 (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X284) Amplified Liftgate Speaker 1 (-) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 101

Scheme 102

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display: B1480-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X214) AMPLIFIED LIFTGATE SPEAKER 1 (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Amplified Liftgate Speaker harness connector. Turn the ignition on. Measure the voltage between the (X214) Amplified Liftgate Speaker 1 (+) circuit and ground. Is there any voltage present? Yes Repair the (X214) Amplified Liftgate Speaker 1 (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X284) AMPLIFIED LIFTGATE SPEAKER 1 (-) CIRCUIT Measure the voltage between the (X284) Amplified Liftgate Speaker 1 (-) circuit and ground. Is there any voltage present? Yes Repair the (X284) Amplified Liftgate Speaker 1 (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 103

Scheme 104

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. 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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display: B1481-CHANNEL 7 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LIFTGATE SPEAKER Turn the ignition off. Disconnect the Amplified Liftgate Speaker harness connector. Turn the ignition on. 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 Liftgate Speaker 1 circuits in the Amplified Liftgate Speaker harness connector. Is the voltage above 1 volt? Yes Replace the Amplified Liftgate Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X214) AMPLIFIED LIFTGATE SPEAKER 1 (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance of the (X214) Amplified Liftgate Speaker 1 (+) circuit between the Amplifier C2 harness connector and the Amplified Liftgate Speaker harness connector. Is the resistance below 5.0 Ohms? Yes Go To 4 . No Repair the (X214) Amplified Liftgate Speaker 1 (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X284) AMPLIFIED LIFTGATE SPEAKER 1 (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X284) Amplified Liftgate Speaker 1 (-) circuit between the Amplifier C2 harness connector and the Amplified Liftgate Speaker harness connector. Is the resistance below 5.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X284) Amplified Liftgate Speaker 1 (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 106

Scheme 107

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool: B1482-CHANNEL 7 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LIFTGATE SPEAKER Turn the ignition off. Disconnect the Amplified Liftgate Speaker. Measure the resistance of the Amplified Liftgate Speaker between the component terminals. NOTE: The graphic shows the connector for reference only. Measure the speaker terminals. Is the resistance of the speaker below 1 Ohm? Yes Replace the Amplified Liftgate Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X214) AMPLIFIED LIFTGATE SPEAKER 1 (+) CIRCUIT, AND THE (X284) AMPLIFIED LIFTGATE SPEAKER 1 (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C2 harness connector. Measure the resistance between the (X214) Amplified Liftgate Speaker 1 (+) circuit, and the (X284) Amplified Liftgate Speaker 1 (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X214) Amplified Liftgate Speaker 1 (+) circuit, and the (X284) Amplified Liftgate Speaker 1 (-) circuit for a short together. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

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

With the ignition on.

The Amplifier detects a shorted to ground condition on the speaker output circuit.

Scheme 108

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display: B1484-CHANNEL 8 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE AMPLIFIED LIFTGATE SPEAKER FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplified Liftgate Speaker harness connector. Turn the ignition on. With the scan tool, read the active DTCs. Does the scan tool display: B1484-CHANNEL 8 AUDIO SPEAKER OUTPUT CIRCUIT LOW? Yes Go To 3 . No Replace the Amplified Liftgate Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
3. CHECK THE (X212) AMPLIFIED LIFTGATE SPEAKER 2 (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance between ground and the (X212) Amplified Liftgate Speaker 2 (+) circuit and ground. Is the resistance below 10K Ohms? Yes Repair the (X212) Amplified Liftgate Speaker 2 (+) circuit for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 4 .
4. CHECK THE (X282) AMPLIFIED LIFTGATE SPEAKER 2 (-) CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (X282) Amplified Liftgate Speaker 2 (-) circuit and ground. Is the resistance below 10K Ohms? Yes Repair the (X282) Amplified Liftgate Speaker 2 (-) for a short to ground. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on.

The Amplifier detects a short to battery condition on the output circuit.

Scheme 110

Scheme 111

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display: B1485-CHANNEL 8 AUDIO SPEAKER OUTPUT CIRCUIT HIGH? 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK FOR VOLTAGE ON THE (X212) AMPLIFIED LIFTGATE SPEAKER 2 (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Amplified Liftgate Speaker harness connector. Turn the ignition on. Measure the voltage between the (X212) Amplified Liftgate Speaker 2 (+) circuit and ground. Is there any voltage present? Yes Repair the (X212) Amplified Liftgate Speaker 2 (+) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK FOR VOLTAGE ON THE (X282) AMPLIFIED LIFTGATE SPEAKER 2 (-) CIRCUIT Measure the voltage between the (X282) Amplified Liftgate Speaker 2 (-) circuit and ground. Is there any voltage present? Yes Repair the (X282) Amplified Liftgate Speaker 2 (-) circuit for a short to voltage. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Amplifier BUS wake-up. Amplifier reset with scan tool.

The Amplifier detects an open condition on the speaker output circuit.

Scheme 112

Scheme 113

Scheme 114

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display: B1486-CHANNEL 8 AUDIO SPEAKER OUTPUT CIRCUIT OPEN? Yes Go To 2 . No The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LIFTGATE SPEAKER Turn the ignition off. Disconnect the Amplified Liftgate Speaker harness connector. Turn the ignition on. 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 Liftgate Speaker 2 circuits in the Amplified Liftgate Speaker harness connector. Is the voltage above 1 volt? Yes Replace the Amplified Liftgate Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X212) AMPLIFIED LIFTGATE SPEAKER 2 (+) CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the Amplifier C2 harness connector. Measure the resistance of the (X212) Amplified Liftgate 2 (+) circuit between the Amplifier C2 harness connector and the Amplified Liftgate Speaker harness connector. Is the resistance below 5.0 Ohms? Yes Go To 4 . No Repair the (X212) Amplified Liftgate 2 (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CHECK THE (X282) AMPLIFIED LIFTGATE 2 (-) CIRCUIT FOR AN OPEN Measure the resistance of the (X282) Amplified Liftgate 2 (-) circuit between the Amplifier C2 harness connector and the (X282) Amplified Liftgate Speaker harness connector. Is the resistance below 5.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the (X282) Amplified Liftgate 2 (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

With the ignition on. Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 115

Scheme 116

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 and set the volume to 25. Adjust the speakers to the rear and center. Using the scan tool, read the active Amplifier DTCs. Does the scan tool display: B1487-CHANNEL 8 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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK THE OPERATION OF THE AMPLIFIED LIFTGATE SPEAKER Turn the ignition off. Disconnect the Amplified Liftgate Speaker. Measure the resistance between the Amplified Liftgate Speaker component terminals. NOTE: The graphic shows the connector for reference only. Measure the speaker terminals. Is the resistance of the speaker below 1 Ohm? Yes Replace the Amplified Liftgate Speaker in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Go To 3 .
3. CHECK THE (X212) AMPLIFIED LIFTGATE SPEAKER 2 (+) CIRCUIT, AND THE (X282) AMPLIFIED LIFTGATE SPEAKER 2 (-) CIRCUITS FOR A SHORT TOGETHER Disconnect the Amplifier C2 harness connector. Measure the resistance between the (X212) Amplified Liftgate Speaker 2 (+) circuit, and the (X282) Amplified Liftgate Speaker 2 (-) circuit. Is the resistance below 10K Ohms? Yes Repair the (X212) Amplified Liftgate Speaker 2 (+) circuit, and the (X282) Amplified Liftgate Speaker 2 (-) circuit for a short together. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Continuously.

Whenever the CAN B BUS (+) or B BUS (-) circuit is open, shorted to voltage or shorted to ground, this code will set.

Scheme 117

Scheme 118

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. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
2. CHECK TOTALLY INTEGRATED POWER MODULE DTCs With the scan tool, read Totally Integrated Power Module DTCs Does the scan tool display any CAN B BUS DTCs - ACTIVE? Yes Refer to «Diagnosis and Testing»(ref-462530-S10097045382012040500000) and perform the appropriate diagnostic procedure. No Go To 3 .
3. CAN B BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Amplifier C1 harness connector. Disconnect the Totally Integrated Power Module C3 harness connector. Measure the resistance of the (D55) CAN B BUS (+) circuit between the Totally Integrated Power Module C3 harness connector and the Amplifier C1 harness connector. Is the resistance below 2.0 Ohms? Yes Go To 4 . No Repair the CAN B BUS (+) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.
4. CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) CAN B BUS (-) circuit between the Totally Integrated Power Module C3 harness connector and the Amplifier C1 harness connector. Is the resistance below 2.0 Ohms? Yes Replace the Amplifier in accordance with the Service Information. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST. No Repair the CAN B BUS (-) circuit for an open. Refer to «Standard Procedure»(ref-462532-S10454917552012040500000) and perform the BODY VERIFICATION TEST.

Continuously when the ignition is on.

The battery voltage between 10.0 and 16.0 Volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Radio for approximately two to five seconds.