Three Way Catalytic Converter, Checking
Test requirements
- Battery voltage at least 12.5 volts.
- Oxygen Sensors OK.
- No leaks or damage to exhaust system.
Function test
-- Perform the function test in Diagnostic Mode 06. Refer to DIAGNOSTIC MODE 06 - READ TEST RESULTS FOR SPECIFIC DIAGNOSTIC FUNCTIONS .
-- End diagnosis and switch the ignition off.
If the specified values are exceeded:
-- Check the exhaust system for leaks.
-- If necessary, repair the leak in the exhaust system.
-- Erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
-- Perform a road test to verify Repair.
If the DTC does not return:
Repair complete, Generate readiness code. Refer to READINESS CODE .
-- End diagnosis.
If no leaks are found in the exhaust system:
-- Replace the catalytic converter with front exhaust pipe. Refer to FRONT EXHAUST PIPE WITH CATALYTIC CONVERTER .
Final procedures
After the Repair work, the following work steps must be performed in the following sequence:
- Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
- If necessary, erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
- If the DTC memory was erased, generate readiness code. Refer to READINESS CODE .