Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2002 >> B4000 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0136, DTC P1137 Or DTC P1138 >> Detection Condition

Detection Condition

DTC P0136 indicates output voltage of HO2S12 (rear) fails to meet calibrated limits (bank 1, right cylinder bank).

DTC P1137 and P1138 indicate HO2S12 (rear) is forced rich and lean by PCM. The test fails if PCM does not detect a rich signal (P1137) or lean signal (P1138) during KOER self-test.

scientia non olet · About Mike's Workshop Manuals