Volkswagen New Beetle. Manual - part 1985

 

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Volkswagen New Beetle. Manual - part 1985

 

 

Speed and idle control 

DIAGNOSTIC TROUBLE CODE P0501-P0510 

Control module and output signals 

DIAGNOSTIC TROUBLE CODE P0600-P0606 

P0444

Evaporative Emission 
System Purge Control 

Valve Circuit Open

P0445

Evaporative Emission 
System Purge Control 
Valve Circuit Shorted

P0455

Evaporative Emission 

System Leak Detected 

(large leak)

P0456

Evaporative Emission 

System Leak Detected 

(very small leak)

SAE-
DTC

DTC text

Corrective action

P0501

Vehicle Speed Sensor "A" 

Range/Performance

z

Check speed signal. See SPEED SIGNAL, 

CHECKING 

P0506

Idle Air Control System RPM 

Lower Than Expected

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING 

P0507

Idle Air Control System RPM 

Higher Than Expected

P0510

Closed Throttle Position Switch

SAE-
DTC

DTC text

Corrective action

P0600

Serial Communication Link

z

Check terminal resistance for CAN-Bus. See CHECKING 

TERMINAL RESISTANCE FOR CAN - BUS 

(VEHICLES WITH ENGINE CODE AVH, AZG, 

BDC) 

P0601

Internal Control Module 

Memory Check Sum Error

z

Replace Motronic Engine Control Module (ECM) -J220-. 

See REPLACING ENGINE CONTROL MODULE 

(ECM) 

P0602

Control Module 

Programming Error

P0604

Internal Control Module 

Random Access Memory 

(RAM) Error

P0605

Internal Control Module 

Read Only Memory (ROM) 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P0638 - P0687 

transmission 

DIAGNOSTIC TROUBLE CODE P0704 

SAE P1xxx-DTCs 

Fuel and air ratios 

DIAGNOSTIC TROUBLE CODE P1102-P1118 

Error

P0606

ECM/PCM Processor

SAE-
DTC

DTC text

Corrective action

P0638

Throttle Actuator Control 

Range/Performance, Bank 1

z

Check Throttle Valve Control Module -J338-. See 

THROTTLE VALVE CONTROL MODULE, 

CHECKING 

z

Check Throttle Position (TP) Sensor -G79- and Sender -2-

for accelerator pedal position -G185-. See THROTTLE 

POSITION (TP) SENSOR, CHECKING 

P0650

Malfunction Indicator Lamp 

(MIL) Control Circuit

z

Check emissions Malfunction Indicator Lamp (MIL) -K83-

. See MALFUNCTION INDICATOR LAMP (MIL) IN 

INSTRUMENT CLUSTER, CHECKING 

P0685

ECM/PCM Power Relay 

Control Circuit /Open

z

Check voltage supply of Motronic Engine Control Module 

(ECM) -J220-. See VOLTAGE SUPPLY FOR ENGINE 

CONTROL MODULE (ECM) 

z

Check Activation of Motronic Engine Control Module 

(ECM) Power Supply Relay -J271- according to wiring 

diagram: 

See appropriate System Wiring Diagram article.

P0686

ECM/PCM Power Relay 

Control Circuit Low

P0687

ECM/PCM Power Relay 

Control Circuit High

SAE-
DTC

DTC text

Corrective action

P0704

Clutch Switch Input 

Circuit Malfunction

z

Check signal from Clutch Vacuum Vent Valve Switch -F36-. See 

CHECKING SIGNAL FROM CLUTCH VACUUM VENT 

VALVE SWITCH 

SAE-
DTC

DTC text

Corrective action

P1102 Bank 1-sensor 1, 

heating circuit 

short to B+

z

Check oxygen sensor heater for Oxygen Sensor (O2S) before Three 

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P1127 

DIAGNOSTIC TROUBLE CODE P1128 

P1103

Bank 1 -sensor 

1, heating 

circuit, output 

too low

CONVERTER (TWC), CHECKING 

z

Check Oxygen Sensor (O2S) and oxygen sensor control before Three 

Way Catalytic Converter (TWC). See CHECK OXYGEN SENSOR 

AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC 

CONVERTER 

P1105

Bank 1 -sensor 

2, heating circuit 

short to B+

z

Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three 

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC 

CONVERTER (TWC), CHECKING 

P1115

Bank 1 -sensor 

1, heating circuit 

short to Ground

z

Check oxygen sensor heater for Oxygen Sensor (O2S) before Three 

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC 

CONVERTER (TWC), CHECKING 

P1116

Bank 1 -sensor 

1, heating circuit 

open

P1117

Bank 1 -sensor 

2, heating circuit 

short to Ground

z

Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three 

Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER 

FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC 

CONVERTER (TWC), CHECKING 

P1118

Bank 1 -sensor 

2, heating circuit 

open

SAE-
DTC

DTC text

Corrective action

P1127

Bank 1, mixture 

adaptation (mult.) 

System too rich

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 

Fuel Injector -N33-). See FUEL INJECTORS, CHECKING 

z

Check Evaporative Emission (EVAP) Canister Purge Regulator 

Valve -N80-. See EVAPORATIVE EMISSION (EVAP) 

CANISTER PURGE REGULATOR VALVE, CHECKING 

SAE-
DTC

DTC text

Corrective action

P1128

Bank 1, mixture 

adaptation (mult.) 

System too lean

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 

4 Fuel Injector -N33-). See FUEL INJECTORS, 

CHECKING 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

DIAGNOSTIC TROUBLE CODE P1136 

DIAGNOSTIC TROUBLE CODE P1137 

z

Check intake air system for leaks (false air). See INTAKE 

SYSTEM FOR LEAKS (FALSE AIR), CHECKING 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP (FP)

z

Check exhaust system for proper seal. See EXHAUST 

SYSTEM EMISSION CONTROLS 

z

Check Secondary Air Injection (AIR) system for proper seal. 

See SECONDARY AIR INJECTION (AIR) SYSTEM, 

CHECKING FOR PROPER SEAL 

z

Check vacuum lines for leaks 

SAE-
DTC

DTC text

Corrective action

P1136

Bank 1, mixture 

adaptation (add.) 

system too lean

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING 

z

Check intake air system for leaks (false air). See INTAKE 

SYSTEM FOR LEAKS (FALSE AIR), CHECKING 

z

Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP (FP) 

z

Check exhaust system for proper seal. See EXHAUST 

SYSTEM EMISSION CONTROLS 

z

Check Secondary Air Injection (AIR) system for proper seal. See 

SECONDARY AIR INJECTION (AIR) SYSTEM, 

CHECKING FOR PROPER SEAL 

z

Check vacuum lines for leaks 

NOTE:

add = additive, means that malfunction is only valid at closed throttle (idle).

SAE-
DTC

DTC text

Corrective action

P1137

Bank 1, mixture 

adaptation (add.) 

system too rich

z

Check fuel pressure regulator and residual pressure. See FUEL 

PRESSURE REGULATOR AND RESIDUAL PRESSURE, 

CHECKING 

z

Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 

Fuel Injector -N33-). See FUEL INJECTORS, CHECKING 

z

Check Evaporative Emission (EVAP) Canister Purge Regulator 

Valve -N80-. See EVAPORATIVE EMISSION (EVAP) 

CANISTER PURGE REGULATOR VALVE, CHECKING 

NOTE:

add = additive, means that malfunction is only valid at closed throttle (idle).

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1983  1984  1985  1986   ..