POSSIBLE CAUSES Jeep Compass I facelift 2

POSSIBLE CAUSES

With the ignition on.

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

Scheme 37

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Scheme 39

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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . No Replace the Amplifier in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

With the ignition on.

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

Scheme 40

Scheme 41

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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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-612758-S33453045902014043000000) . No Replace the Amplifier in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

Amplifier bus wake-up.

Amplifier reset with scan tool.

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

Scheme 42

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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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . No Repair the (X299) Left I/P Speaker (-) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

With the ignition on.

Radio volume at 25 or higher.

The Amplifier detects that the output circuits are shorted together.

Scheme 45

Scheme 46

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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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-612758-S33453045902014043000000) . No Replace the Amplifier in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

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 47

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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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . No Replace the Amplifier in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

With the ignition on.

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

Scheme 50

Scheme 51

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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . No Replace the Amplifier in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

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

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

Scheme 52

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Scheme 54

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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . No Repair the (X298) Amplified Right I/P Speaker (-) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .

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

The Amplifier detects that the output circuits are shorted together.

Scheme 55

Scheme 56

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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .
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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . 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. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) . No Replace the Amplifier in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612758-S33453045902014043000000) .