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Toyota Corolla Repair Manual: Problem symptoms table

Toyota Corolla Repair Manual / Diagnostics / Supplemental restraint system / Problem symptoms table

Hint

: proceed with troubleshooting of each circuit in the table below.

Symptom

Suspect area
  • When the ignition switch is in the on position, the srs warning light sometimes comes on after approximately 6 seconds.
  •  Srs warning light circuit malfunction (Always lights up, when dtc is not output).
  • Srs warning light always comes on even when dtc is not output.
  • With the ignition switch is in the on position, the srs warning light does not come on.
  • Srs warning light circuit malfunction (does not light up, when ignition switch is turned to on).
  • Although a srs warning light operates normally, dtc or a normal system code is not displayed.
  • Tc terminal circuit
  • Although the terminals tc and cg are not connected, dtc or a normal system code are displayed
Terminals of ecu
...

Short in d squib circuit
Dtc b0100/13 short in d squib circuit ...

Other materials:

Diagnostics
Preparation Sst 09816–30010 Oil pressure switch socket Sfi system 09843–18040 Diagnosis check wire no.2 Sfi system supplemental restraint system Recomended tools 09082–00040 Toyota electrical tester Sfi system supplemental re ...

Towing your vehicle with 4 wheels on the ground
To prevent damage to your vehicle, perform the following procedures before towing. 1 Shift the shift lever to N. 2 Turn the engine switch to the “ACC” position (without a smart key system) or ACCESSORY mode (with a smart key system). (, 166) Ensure that the audio system and other powered device ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...

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