Toyota Corolla (E120): Short in p/t squib (lh) circuit (to ground)

Dtc b0137/71 short in p/t squib (lh) circuit (to ground)

Share this page:

Other materials:

On–vehicle inspection
1. Inspect air–fuel ratio compensation system Hint: you can also check the system by choosing ”data monitor”, then ”o2 sensor output voltage” on the monitor of the hand–held tester. Connect the hand–held tester to the terminal 23 (ox1a) @ 7 (e1) and 21 (ox1b) @ 7 (e1) of ...

Inspection
1. Inspect inner rear view mirror assy Inspect the electro chromic inner mirror operation.  Connect the positive (+) lead from the battery to terminal 1 and negative (–) lead to terminal 2. ) Attach black colored tape to the forward sensor to prevent it from sensing. &nb ...

Circuit description
The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve is fully closed, a voltage of approximately 0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage applied to terminal vta of the ecm increases in pro ...