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Home >> Lexus >> 2008 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Control System (3MZ-FE)) >> SFI System >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) >> Monitor Result
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Monitor Result

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

Refer to CHECKING MONITOR STATUS  .

The monitor result (mode 6) allows the OBD scan tool to display the monitor status, test value and test limit. A problem in this component can be found by comparing the test value and test limit. The procedure is described in "CHECKING MONITOR STATUS".

TID $01: Catalyst - Using A/F Sensor and HO2 

MONITOR RESULT CHART

TLT CID Unit Conversion Description of Test Value Description of Test Limit
0 $01 Multiply by 0.0078 (no dimension) Catalyst deterioration level (bank 1):
Determined by waveform of A/F sensor and HO2S
Malfunction criterion
0 $01 Multiply by 0.0078 (no dimension) Catalyst deterioration level (bank 1):
Determined by waveform of A/F sensor and HO2S
Malfunction criterion for catalyst deterioration