Diagnostic Mode 6: Check Test of Parts Not Constantly Monitored
Diagnostic mode 6: Check test results of components that are not continuously monitored
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 Component, System
01: Catalytic converter
03: Secondary Air Injection (AIR) system
05: Tank ventilation system
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 measuring values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measured Values
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 01: Catalytic converter".
- Check specified values at idle.
Evaluation test-ID 01: Catalytic converter
- End diagnosis and switch ignition off.
If specified values are not obtained:
- Replace the front exhaust pipe with catalytic converter:
- Vehicles with engine code AEG, item 13 ,
- Vehicles with engine code AVH, AZG, BDC, item 10 .
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
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 system for proper seal. Testing and Inspection
- Check Secondary Air Injection (AIR) Pump Motor -V101-. Testing and Inspection
- Check combination valve. Testing and Inspection
- Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Check Secondary Air Injection (AIR) Pump Motor -V101-. Testing and Inspection
- 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. Diagnostic Mode 3: Check DTC Memory
- Coolant temperature must be 80 to 110 degrees C, Diagnostic mode 1: Check measuring values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measured Values
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 05: Tank ventilation system".
- Check specified values at idle.
Evaluation test-ID 05: Tank ventilation system
If the specified values are exceeded:
- EVAP canister system, checking for proper seal. Testing and Inspection
- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Testing and Inspection
- Leak Detection Pump (LDP) -V144-. Testing and Inspection
- 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- (Vehicles with engine code AVH, AZG, BDC)
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 measuring values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measured 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 let it run at idle.
- Perform a road test anew.
The following operating conditions must be met during this road test:
- Accelerate vehicle uniformly, not at Wide Open Throttle (WOT).
- Drive for 10 minutes in the highest gear or in the highest driving mode on a level driving surface at a constant speed in the range of 65 to 80 km/h at an engine speed of 2000 to 2500 RPM.
- 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:
- End diagnosis and switch ignition off.
If specified value is not obtained:
- Check Engine Coolant Temperature (ECT) Sensor -G62-. Testing and Inspection
- Check thermostat.