Volkswagen New Beetle. Manual - part 1828

 

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Volkswagen New Beetle. Manual - part 1828

 

 

Test Procedure 

1. Connect scan tool. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Turn ignition on, engine 

off. Following scan tool manufacturer's instructions, check Transmission Control Module (J217) and 
ABS Control Module (J104) for DTCs. If no DTCs are present, go to next step. If DTC(s) are present, 
repair as necessary. After repairs, erase DTC memory. Verify repair. Test is complete. Perform ECM 
relearn procedure. See TEST DRIVE RELEARN PROCEDURE .  

2. Check wiring between Transmission Control Module (J217), ABS Control Module (J104) and ECM 

(J220) for open or short circuits. See ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS 
article in ELECTRICAL. See Fig. 43 and Fig. 44 . If wiring is okay, go to next step. If wiring is not okay, 
repair as necessary. After repairs, erase DTC memory. Verify repair. Test is complete. Perform ECM 
relearn procedure. See TEST DRIVE RELEARN PROCEDURE .  

3. Check centralized matching resistor in ECM. Turn ignition off. Connect ECM to test box, leave ECM 

harness connector disconnected from test box. Connect Test Box (VAG 1598/31). See CONNECTING 
VAG TEST BOX 
. Using DVOM, check resistance between test box sockets No. 58 and 60. Resistance 
should be 60-72 ohms. If resistance is not okay, replace faulty ECM. See ENGINE CONTROL 
MODULE REMOVAL & INSTALLATION 
. After repairs, erase DTC memory. Verify repair. Test is 
complete. Perform ECM relearn procedure. See TEST DRIVE RELEARN PROCEDURE 

replaced, Can Data Bus OBD Interface (J533) must be coded. See CAN DATA 
BUS OBD INTERFACE (J533) CODING . 

 

2003 Volkswagen New Beetle GLS 

2001-2003 ENGINE PERFORMANCE Self-Diagnostics - 2.0L - Beetle, Golf & Jetta (Engine Codes AVH & AZG)

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:49:58 AM

Page 112 

© 2004 Mitchell Repair Information Company, LLC. 

Fig. 42: Example 1: Locating Non-Communicating Control Module 
Courtesy of AUDI OF AMERICA, INC. 

 

2003 Volkswagen New Beetle GLS 

2001-2003 ENGINE PERFORMANCE Self-Diagnostics - 2.0L - Beetle, Golf & Jetta (Engine Codes AVH & AZG)

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:49:58 AM

Page 113 

© 2004 Mitchell Repair Information Company, LLC. 

Fig. 43: Example 2: Locating Non-Communicating Control Module 
Courtesy of AUDI OF AMERICA, INC. 

 

2003 Volkswagen New Beetle GLS 

2001-2003 ENGINE PERFORMANCE Self-Diagnostics - 2.0L - Beetle, Golf & Jetta (Engine Codes AVH & AZG)

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:49:58 AM

Page 114 

© 2004 Mitchell Repair Information Company, LLC. 

Fig. 44: Example 3: Locating Non-Communicating Control Module 
Courtesy of AUDI OF AMERICA, INC. 

DTC P0601/16985, P0602/16986, P0604/16988, P0605/16989 & P0606/16990: ECM MALFUNCTION 

Code Definition 

NOTE:

DTC P0601/16985, DTC P0602/16986, DTC P0604/16988 and DTC P0606/16990 
may set if battery voltage (ECM voltage supply) is too low when vehicle is being 
started. 

 

2003 Volkswagen New Beetle GLS 

2001-2003 ENGINE PERFORMANCE Self-Diagnostics - 2.0L - Beetle, Golf & Jetta (Engine Codes AVH & AZG)

  

Helpmelearn Repair Manuals 

 

Wednesday, December 14, 2005 8:49:58 AM

Page 115 

© 2004 Mitchell Repair Information Company, LLC. 

 

 

 

 

 

 

 

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