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B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN (CONTINUED) For the Audio system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS). For a complete wiring diagram Refer to Section 8W. • When Monitored: • With the Radio on. • Set Condition: • When the Output circuit is open for more than 3 seconds. The Radio will not set the fault if the radio Possible Causes SPEAKER (X58) (X52) RIGHT REAR SPEAKER OUTPUT CIRCUIT Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Diagnostic Test 1. Intermittent Condition Turn the ignition on. With the Scan Tool, clear all Audio DTC’s. Turn the Radio on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B140F-REAR RIGHT AUDIO SPEAKER Yes >> Go To 2 No >> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermit- Perform the BODY VERIFICATION TEST VER 1. 2. (X58) (X52) Speaker Output circuits. Turn the ignition off. Disconnect the Radio C1 harness connector. Disconnect the Rear Right Audio Speaker connector. Measure the resistance of each speaker (X58)(+) and (X52)(-) circuit between the Radio and the Speaker. Is the resistance below 5.0 ohms for each circuit? Yes >> Go To 3 No >> Repair the applicable Output Speaker circuit for an open condition. Perform the BODY VERIFICATION TEST VER 1. 8A - 40 AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS WK |