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HOMESERVICE MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 85 (1.8L - ON BOARD DIAGNOSTIC (OBD), GENERIC SCAN TOOL - AWD, AWP, AWW)GENERIC SCAN TOOLSELECT DIAGNOSTIC FUNCTIONDIAGNOSTIC MODE 5: CHECK OUTPUT OF OXYGEN SENSOR SIGNALSPROCEDURE
2002 Volkswagen Golf GLS, 2.0 K, Standard
Diagnostic mode 5: Check output of oxygen sensor signals: Procedure
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Procedure
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2006 Volkswagen GTI, 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, and 2004 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
- Connect diagnostic tester, see CONNECT DIAGNOSTIC TESTER .
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 5: Check output of oxygen sensor signals".
- Select the desired output of oxygen sensor signals "Test -ID XX".
Evaluation of output of oxygen sensor signals:
- Test-ID 01 Bank 1 Sensor 2, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 02 Bank 1 Sensor 2, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 07 Bank 1 Sensor 2, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 08 Bank 1 Sensor 2, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 129 Bank 1 Sensor 1, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 130 Bank 1 Sensor 1, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 131 Bank 1 Sensor 1, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- Test-ID 132 Bank 1 Sensor 1, see DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED
- End diagnosis and switch ignition off.
Evaluation test-ID 01 Bank 1 Sensor 2: rich to lean sensor barrier voltage
EVALUATION TEST-ID 01 BANK 1 SENSOR 2: RICH TO LEAN SENSOR BARRIER VOLTAGE
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| Fixed value: 0.652 V | Fixed value: 0.652 V | ||
If specified values are not obtained:
- Replace Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- Bank 1. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING , Item -10-.
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .
Evaluation test-ID 02 Bank 1 Sensor 2: lean to rich sensor barrier voltage
EVALUATION TEST-ID 02 BANK 1 SENSOR 2: LEAN TO RICH SENSOR BARRIER VOLTAGE
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| Fixed value: 0.652 V | Fixed value: 0.652 V | ||
If specified values are not obtained:
- Replace Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- Bank 1. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING , Item -10-.
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .
Evaluation test-ID 07 Bank 1 Sensor 2: Minimum voltage at sensor for test cycle
MINIMUM VOLTAGE AT SENSOR FOR TEST CYCLE SPECIFICATION
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| 0.000 | 0.402 | 0.000 | 0.402 |
If the specified value is not reached:
- Short circuit to Ground (GND) in oxygen sensor or in wire:
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
If the specified value is exceeded:
- Oxygen sensor not ready for operation
- Oxygen sensor heater faulty:
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
- Short circuit to B+ or open circuit in wiring in oxygen sensor or in wire:
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
Evaluation test-ID 08 Bank 1 Sensor 2: Maximum voltage at sensor for test cycle
EVALUATION TEST-ID 08 BANK 1 SENSOR 2: MAXIMUM VOLTAGE AT SENSOR FOR TEST CYCLE
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| 0.501 | 1.054 | 0.501 | 1.054 |
If the specified value is not reached:
- Oxygen sensor not ready for operation
- Oxygen sensor heater faulty:
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSORS BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
- Short circuit to Ground (GND) or open circuit in wiring in oxygen sensor or in wire:
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
If the specified value is exceeded:
- Short circuit to B+ in oxygen sensor or in wire:
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR AND OXYGEN SENSOR CONTROL BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
Evaluation test-ID 129 Bank 1 Sensor 1: Actual value of oxygen sensor voltage
EVALUATION TEST-ID 129 BANK 1 SENSOR 1: ACTUAL VALUE OF OXYGEN SENSOR VOLTAGE
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| 0.703 | 1.992 | 0.703 | 1.992 |
If specified values are not obtained:
- Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING , Item -8-.
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .
Evaluation test-ID 130 Bank 1 Sensor 1: Control barrier voltage
EVALUATION TEST-ID 130 BANK 1 SENSOR 1: CONTROL BARRIER VOLTAGE
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| 0.703 | 1.992 | 0.703 | 1.992 |
If specified values are not obtained:
- Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .
Evaluation test-ID 131 Bank 1 Sensor 1: Dynamic value
EVALUATION TEST-ID 131 BANK 1 SENSOR 1: DYNAMIC VALUE
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| 0.00 | 4.00 | 0.00 | 4.00 |
If specified values are not obtained:
- Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .
Evaluation test-ID 132 Bank 1 Sensor 1: Oxygen sensor shift via oxygen sensor control behind Three Way Catalytic Converter (TWC) (bank 1 sensor 2)
EVALUATION TEST-ID 132 BANK 1 SENSOR 1: OXYGEN SENSOR SHIFT VIA OXYGEN SENSOR CONTROL BEHIND THREE WAY CATALYTIC CONVERTER (TWC) (BANK 1 SENSOR 2)
| Vehicles with engine code AWD | Vehicles with engine code AWP, AWW | ||
|---|---|---|---|
| Specified value: | Specified value: | ||
| min. | max. | min. | max. |
| -0.05 | 0.05 | -0.05 | 0.05 |
If specified values are not obtained:
- Replace Heated Oxygen Sensor (HO2S) -G39- Bank 1 before catalytic converter. See EXHAUST SYSTEM COMPONENTS, REMOVING AND INSTALLING .
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.