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Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0335 - P0630 >> DTC P0420, P0430: Catalyst System Efficiency Below Threshold (Bank 1); Catalyst System Efficiency Below Threshold (Bank 2) >> Monitor Result

Monitor Result

Detailed information on CHECKING MONITOR STATUS

The test value and test limit information are described as shown in the following table. Check the monitor result and test values after performing the monitor drive pattern (refer to "Confirmation Monitor").

Catalyst bank 1 - Active A/F control method 

CATALYST BANK 1 - ACTIVE A/F CONTROL METHOD

MID TID Scaling Description of Test Value Minimum Test Limit Maximum Test Limit
$21 $A9 Multiply by 0.0003 (no dimension) Oxygen storage capacity of catalyst Minimum test limit for catalyst Maximum test limit for catalyst

Catalyst bank 2 - Active A/F control method 

CATALYST BANK 2 - ACTIVE A/F CONTROL METHOD

MID TID Scaling Description of Test Value Minimum Test Limit Maximum Test Limit
$22 $A9 Multiply by 0.0003 (no dimension) Oxygen storage capacity of catalyst Minimum test limit for catalyst Maximum test limit for catalyst