LEMON Manuals
: Even more car manuals for everyone
Home
>>
Toyota
>>
2003
>>
Land Cruiser
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System Self Diagnostics
>>
Diagnostic Tests
>>
DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) Or DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2)
>>
Possible Causes
Possible Causes
This DTC uses two-trip detection logic. For DTC detection conditions and possible causes, see
Fig 1
.
Fig 1: DTC Detection Conditions & Possible Causes
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002