Diagnostic Mode 6: Check Test Of Parts Not Constantly Monitored
Diagnostic Mode 6: Check Test Results Of Components That Are Not Continuously Monitored
NOTE: This diagnostic mode can only be selected with Module Number 10 - Engine Electronics.
Function
This diagnostic mode displays the test results of emission relevant components and systems which are not continuously monitored.
The values of the individual test results must reach the specified value or must be within the min.- and max.- limits.
Test-ID Components
01: Catalytic converter
03: Secondary Air Injection (AIR) system
05: Tank ventilation system
09: Engine Coolant Temperature (ECT) Sensor -G62-
Test-ID 01: Catalytic converter
Test requirements
- There must not be any DTCs stored in DTC memory. Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
- Coolant temperature must be at least 80 degrees C. Diagnostic mode 1: Check measured values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measuring Values
Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Let engine run at idle.
- Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
- Select "Test-ID 01: Catalytic converter".
- Check specified values at idle.
Evaluation test-ID 01: Catalytic converter monitoring
- End diagnosis and switch ignition off.
If the specified values are exceeded:
- Replace catalytic converter
- Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
Test-ID 03: Secondary Air Injection (AIR) system
Test requirements
- There must not be any DTCs stored in DTC memory. Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
Work procedure
- Read readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
- Let engine run at idle.
- Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
- Select the "Test-ID 03: Secondary Air Injection (AIR) system"
- Check specified values at idle.
Evaluation test-ID 03: Secondary Air Injection (AIR) system
- End diagnosis and switch ignition off.
If the specified values are not reached:
- Check Secondary Air Injection (AIR) system for proper seal. Testing and Inspection
- Check Secondary Air Injection (AIR) Solenoid Valve -N112-. Secondary Air Injection (AIR) Valve, Checking
- Check Secondary Air Injection (AIR) Pump Motor -V101-. Testing and Inspection
- Check combination valve. Combination Valves, Checking
- Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
Test-ID 05: Tank ventilation system
Test requirements
- There must not be any DTCs stored in DTC memory. Diagnostic mode 3: Check DTC memory.
- Coolant temperature must be 80 to 110 degrees C. Diagnostic mode 1: Check measured values; PID 5, Coolant temperature.
Work procedure
- Read readiness code.
- Let engine run at idle.
- Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
- Select the "Test-ID 05: Tank ventilation system".
- Check specified values at idle.
Evaluation test-ID 05: Tank ventilation system
- End diagnosis and switch ignition off.
If tank ventilation system is not OK:
- EVAP canister system, checking for proper seal. Evaporative Emission (EVAP) Canister System, Checking For Proper Seal
- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Testing and Inspection
- Leak Detection Pump (LDP) -V144-, checking.
- Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
Test-ID 09: Engine Coolant Temperature (ECT) Sensor -G62-
Test requirement
- There must not be any DTCs stored in DTC memory. Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Perform a road test until a coolant temperature of 80 to 100 degrees C has been reached. Diagnostic mode 1: Check measured values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measuring Values
Observe the safety precautions that apply to road tests.
- Switch ignition off.
- Start engine at a coolant temperature of 80 to 90 degrees C and it it run at idle.
- Perform a 5 minute road test in the highest gear or in the highest driving mode on a level driving surface.
The following operating conditions must be met during this road test:
- Engine speed approx. 1800 to 2200 RPM. Diagnostic mode 1: Check measured values; PID 12, engine rotations per minute (RPM) Diagnostic Mode 1: Check Measuring Values
- Vehicle speed constant 90 km/h. Diagnostic mode 1: Check measured values; PID 13, Vehicle speed Observe the safety precautions that apply to road tests. Diagnostic Mode 1: Check Measuring Values
- Let engine run at idle.
- Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
- Select the "Test-ID 09: Engine Coolant Temperature (ECT) sensor".
- Check specified values at idle.
Evaluation test-ID 09: Engine Coolant Temperature (ECT) Sensor -G62-
- End diagnosis and switch ignition off.
If specified value is not obtained:
- Check Engine Coolant Temperature (ECT) Sensor -G62-. Testing and Inspection
Vehicles with engine code AEB, ATW
- Check coolant regulator
Vehicles with engine code AUG, AWM
- Check coolant regulator:
Continuation for all vehicles
- Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes