Diagnostic Procedure

DTC U3003:17 (AUDIO AMPLIFIER) DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY PCM DTCs Retrieve the PCM DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.5T)] .) Are any DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G 2.5T)] .)
1		No	Go to the next step.
2	INSPECT BATTERY Inspect the battery. (See BATTERY INSPECTION .) Is the battery normal?	Yes	Go to the next step.
2		No	Replace the battery, then go to Step 4. (See BATTERY REMOVAL/INSTALLATION .)
3	INSPECT GENERATOR Inspect the generator. (See GENERATOR INSPECTION .) Is the generator normal?	Yes	Go to the next step.
3		No	Replace the generator, then go to the next step. (See GENERATOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
4	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the audio amplifier using the M-MDS. (See CLEARING DTC [AUDIO AMPLIFIER] .) Retrieve the audio amplifier DTCs using the M-MDS. (See DTC INSPECTION [AUDIO AMPLIFIER] .) Is the same DTC displayed?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the audio amplifier. (See AUDIO AMPLIFIER REMOVAL/INSTALLATION .)
4		No	Go to the next step.
5	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [AUDIO AMPLIFIER] .)
5		No	DTC troubleshooting completed.