Readiness Code, Generating - II
Operation 7: Diagnosis of aging of oxygen sensor (O2S) before Three Way Catalytic Converter (TWC)
Display on VAS 5051:
1 - Enter display group
- Enter "034" for "display group number 034" in field -2- and confirm entry by pressing -Q- button.
Display on VAS 5051:
- Activate basic setting by pressing -A- button.
- Press accelerator and brake pedal simultaneously, engine speed increases to approx. 2300 rpm
Test conditions:
- Accelerator and brake pedal pressed simultaneously, engine runs at approx. 2300 rpm.
- Check indication in display field -4-.
Display Group 034:
If specification "B1-P2 OK" is obtained:
- Press <- button.
- Perform next operation.
Operation 8: Diagnosis of oxygen sensor (O2S) condition after Three Way Catalytic Converter (TWC).
Test conditions:
- Engine at idle
Display on VAS 5051:
1 - Enter display group
- Enter "036" for "display group number 036" in field -2- and confirm entry by pressing -Q- button.
Display on VAS 5051:
- Activate basic setting by pressing -A- button.
- Check indication in display field -2-.
Display Group 036:
If specification "B1-P2 OK" is obtained:
- Press <- button.
- Perform next operation.
Operation 9: Diagnosis of oxygen sensor control system after Three Way Catalytic Converter (TWC)
Test conditions:
- Engine at idle
Display on VAS 5051:
1 - Enter display group
- Enter "037" for "display group number 037" in field -2- and confirm entry by pressing -Q- button.
Display on VAS 5051:
- Activate basic setting by pressing -A- button.
- Check indication in display field -4-.
Display Group 037:
If specification "Syst. OK" is obtained:
- Press <- button.
- Perform next operation.
Operation 10: Diagnosis of oxygen sensor (O2S) aging after Three Way Catalytic Converter (TWC)
Display on VAS 5051:
1 - Enter display group
- Enter "043" for "display group number 043" in field -2- and confirm entry by pressing -Q- button.
Display on VAS 5051:
- Activate basic setting by pressing -A- button.
- Press accelerator and brake pedal simultaneously, engine speed increases to approx. 2300 rpm.
Test conditions:
- Accelerator and brake pedal pressed simultaneously, engine runs at approx. 2300 rpm.
- Check indication in display field -4-.
Display Group 043:
If specification "B1-P2 OK" is obtained:
- Press <- button.
- Perform next operation.
Operation 11: Three Way Catalytic Converter (TWC) diagnosis
Display on VAS 5051:
1 - Enter display group
- Enter "046" for "display group number 046" in field -2- and confirm entry by pressing -Q- button.
Display on VAS 5051:
- Activate basic setting by pressing -A- button.
- Press accelerator and brake pedal simultaneously, engine speed increases to approx. 2000 rpm.
Test conditions:
- Accelerator and brake pedal pressed simultaneously, engine runs at approx. 2000 rpm.
- Check specifications in display fields -2- and -4-.
- Check indication in display fields -2- and -4-.
Display Group 046:
If specification "Cat. B1 OK" is obtained:
- Press <- button.
- Perform next operation.
Operation 12: Diagnosis of Activating Evaporative Emission (EVAP) Canister Purge Regulator -N80-
Test conditions:
- Engine run at idle
Display on VAS 5051:
1 - Enter display group
- Enter "070" for "display group number 070" in field -2- and confirm entry by pressing -Q- button.
Display on VAS 5051:
- Activate basic setting by pressing -A- button.
- Check indication in display field -4-.
Display Group 070:
If specification "EVAP OK" is obtained:
- Press <- button.
- Perform next operation.
Operation 13: Diagnostic of tank seal
Observe:
- Engine running at idle:
- Intake air temperature less than 95 degree C (display group 4, display field 4)
- Coolant temperature less than 105 degree C (display group 4, display field 3)
Display on VAS 5051:
NOTE: It may be necessary to reselect the ECM with "address word" 01, and "Basic Setting" 04 after starting engine.
1 - Enter display group
- Select function "71" in button field -2- for "display group number 191" and press Q button to confirm input.
Display on VAS 5051:
- Activate basic setting by pressing button -A-.
NOTE: Duration of Tank seal tests is approximately 60 seconds.
Display Group 071:
NOTE:
- If during the test the value in display field 4 changes from "Test ON" to "Test OFF" and "Breakage" is displayed in display field 2, restart the "Tank Seal Diagnostic".
- When restarting the diagnostic, it may take up to 60 seconds for the value in display field 4 to change from "TEST OFF" to "TEST ON".
If specified values "Syst. OK" are obtained in display field 4:
- Press the C button
- Click on <- button
- Perform next work step.
Operation 14: Diagnostic of Secondary Air Injection (AIR) system
NOTE: During diagnostic of the Secondary Air Injection (AIR) system, the Secondary Air Injection (AIR) pump will run for several seconds.
Test conditions:
- Press accelerator and brake pedal simultaneously, engine speed increases to approx. 2000 rpm.
Display on VAS 5051:
1 - Enter display group
- Select function "077" in button field -2- for "display group number 070" and press Q button to confirm input.
Display on VAS 5051:
- Activate basic setting by pressing button -A-.
NOTE: Duration of Tank seal tests is approximately 60 seconds.
Display Group 077:
NOTE:
- If during the test the value in display field 4 changes from "Test ON" to "Test OFF" and "Breakage"(for example, when leaving the rpm range) and it does not return to "Test ON", turn the ignition off and back on; restart the "Secondary Air Injection (AIR) system" diagnosis.
- When restarting the diagnostic, it may take up to 60 seconds for the value in display field 4 to change from "Test OFF" to "Test ON".
If specified values "Syst. OK" are obtained in display field 4:
- Press the C button
Operation 15: Read readiness code
- Read readiness code. Readiness Code, Function