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	Tc terminal circuit

Short in d squib circuit

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

Other materials:

Customer problem analysis
Hint: in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and cond ...

Things you should know
■ If you notice any symptoms If you notice any of the following symptoms, refer to the likely cause and the solution, and re-check. If the symptom is not resolved by the solution, have the vehicle inspected by your Toyota dealer. CAUTION ■When using the rear view monitor system ...

Terminals of ecu
Oscilloscope wave (*1) Hint: terminal: od – gnd gauge set: 5 v / div, 50 ms / div condition: during cruise control driving o/d switch on. ...