Diagnostic Mode 6: Check Test Results of Components That Are Not Continuously 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 test results of emission relevant components and systems which are not continuously monitored.

The values of individual test results must reach specified value or must be within min.- and max.- limits.

Test-ID Component, System
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

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 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 "Test-ID 01: Catalytic converter".
- Check specified values at idle.

Evaluation test-ID 01:







- End diagnosis and switch ignition off.

If specified values are exceeded:
- Replace front exhaust pipe with catalytic converter, item 4.
- 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

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. Readiness Code Reading
- 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 03: Secondary Air Injection (AIR) system"
- Check specified values at idle.

Evaluation test-ID 03:







- End diagnosis and switch ignition off.

If the specified values are not reached:
- Check secondary air system for proper seal. Secondary Air Injection (AIR) System, Checking For Proper Seal
- Check combination valve. Seconday Air Injection (AIR) Combination Valve, Checking
- Check Secondary Air Injection (AIR) Pump Motor -V101-. 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

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 measured values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measured Values

Work procedure
- Read readiness code. Readiness Code Reading
- 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 05: Tank ventilation system".
- Check specified values at idle.

Evaluation test-ID 05:









If specified values are exceeded:
- 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-. Evaporative Emission (EVAP) Canister Purge Regulator Valve, Checking
- Leak Detection Pump (LDP) -V144-, checking. Leak Detection Pump (LDP), 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 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 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 measuring values; PID 12, engine rotations per minute (RPM). Diagnostic Mode 1: Check Measured Values
- Vehicle speed constant 90 km/h, Diagnostic mode 1: Check measuring values; PID 13, Vehicle speed. Diagnostic Mode 1: Check Measured Values

Observe the safety precautions that apply to road tests.

- 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 09: Engine Coolant Temperature (ECT) sensor".
- Check specified values at idle.

Evaluation test-ID 09:







If specified value is not obtained:
- Check Engine Coolant Temperature (ECT) Sensor -G62-. Testing and Inspection
- Check coolant regulator.
- 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