6-74 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
DTC P0133 HO2S-1 Circuit Slow Response
WIRING DIAGRAM
Refer to DTC P0130.
DTC DETECTING CONDITION AND TROUBLE AREA
DTC CCONFIRMATION PROCEDURE
Refer to DTC P0130.
TROUBLESHOOTING
DTC DETECTING CONDITION TROUBLE AREA
Following conditions are detected in idle state while running
under driving conditions described for “DTC Confirmation
Procedure”.
Hi/Lo cycle (TRANS TIME displayed on scan tool) of HO2S-1
output voltage is longer than specification or response rates
of Hi
→
Lo and Lo
→
Hi (TRANS TIME displayed as R
→
L
threshold V or L
→
R threshold V on scan tool) are longer
than specification.
(2 driving cycles detection logic)
• HO2S-1
• ECM (PCM)
Step Action Yes No
1Was “Engine Diag. Flow Table” performed? Go to Step 2. Go to “Engine Diag. Flow
Ta bl e ”.
2 1) Replace HO2S-1 and recheck.
Is DTC P0133 detected?
Substitute a known-good
ECM (PCM) and recheck.
HO2S-1 malfunction.
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