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NG : REPAIR OR REPLACE HARNESS OR CONNECTOR Fig. 45: Identifying D33*1 Or D34*2 A/F Sensor Heater Relay (A/F) Connector Terminals OK : CHECK ECM POWER SOURCE CIRCUIT (See ECM POWER SOURCE CIRCUIT ) DTC P0037 OXYGEN SENSOR HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2); DTC DESCRIPTION D33-2 (+B) or 1A-4 - Body ground Always 10 kohms or higher D34-2 (+B) or 1A-4 - Body ground Always 10 kohms or higher
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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