Component Tests and General Diagnostics

TC Terminal Circuit

CIRCUIT DESCRIPTION
By connecting terminals Tc and E1 of the DLC1 the airbag sensor assembly is set in the DTC output mode.
The DTCs are displayed by blinking the SRS warning light.




WIRING DIAGRAM

INSPECTION PROCEDURE

If the DTC is displayed without a DTC check procedure, perform the following troubleshooting.




Step 1/Does SRS warning light light up for approx. 6 seconds?




Step 2/Check voltage between terminals Tc and E1 of DLC1




Step 3/Check voltage between terminals Tc of DLC1 and body ground




Step 4/Check airbag sensor assembly

If DTC is displayed without a DTC check procedure, perform following troubleshooting




Step 1/Check resistance between terminal Tc of airbag sensor assembly and body Ground