Acura TSX / Honda Accord CL. Manual - part 8

3. Check the reception/interference when the rear window defogger is on. 

Is the reception poor with the rear window defogger on? 

YES: Check for a break in the rear window defogger grid (see REAR WINDOW 
DEFOGGER ), a poor connection, or a faulty antenna amplifier/defogger coil/noise 
condenser (see WINDOW ANTENNA AMPLIFIER/DEFOGGER COIL 
REPLACEMENT ).  

NO: Go to step 4.  

4. Check to see if the problem is interference while the engine is running. 

Is there noise (static or while) with the engine running? 

YES: Check the antenna and radio grounds. If OK, check the charging system and the 
ignition system.  

NO: Go to step 5.  

5. Wrap aluminum foil (A) around the tip of a tester probe (B) as shown. 

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Audio System - TSX

  

 

Fig. 34: Wrapping Aluminum Foil Around The Tip Of A Tester Probe 

6. Check for continuity by touching one tester probe to the window antenna terminal (A), and move the 

other tester probe along the antenna wires. 

Is there continuity in all sections of the antenna? 

YES: Go to step 7.  

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Audio System - TSX

  

 

NO: Repair the antenna wires (see REAR WINDOW DEFOGGER ).  

Fig. 35: Testing Window Antenna 

7. Turn the radio ON, and measure the voltage between antenna amplifier connector A terminal 1 and body 

ground. 

Is there 12 V? 

YES: Go to step 8.  

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Audio System - TSX

  

 

NO: Go to step 13 .  

Fig. 36: Measuring The Voltage Between Antenna Amplifier Connector A Terminal 1 & 
Body Ground 

 

2004 Acura TSX 

2004 ACCESSORIES & EQUIPMENT Audio System - TSX