Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Ts terminal circuit / Circuit description
Toyota Corolla (E120): Circuit description
The sensor check circuit detects abnormalities in the speed sensor signal which cannot be detected with the dtc check.
Connecting terminals ts and cg of the dlc3 starts the check.
Wiring diagram

Other materials:
Windshield/windowglass/mirror
Preparation
Recomended tools
Equipment
Ssm
...
Inspection procedure
1 Inspect park/neutral position switch assy
Disconnect the park/neutral position switch connector.
measure resistance according to the value(s) in the table
below when the shift lever is moved to each position.
Standard:
2 Check harness and connector(park/neutral position ...
Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the
airbag sensor assy center
in case the source voltage drops.
When the battery voltage drops, the voltage–increase circuit (dc–dc converter)
functions to increase the
voltage of the srs to normal voltage.
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