DTC P0137 HEATED OXYGEN SENSOR 2 (REAR) (LOW VOLTAGE); Wiring Diagram; Diagnostic Procedure
EF & EC-7136wiring diagramP0137 wiring diagram YEF937 reused from P0136 with identical pin map.
CG10, CGA3
Wiring Diagram
Diagnostic Procedure
Step 1 — RETIGHTEN GROUND SCREWS
- 1Turn ignition switch "OFF".
- 2Loosen and retighten engine ground screws. (See NEF147A)
- 3→ GO TO 2.