Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Open vehicle speed sensor circuit/ Vehicle speed signal abnormal

Toyota Corolla (E120): Open vehicle speed sensor circuit/ Vehicle speed signal abnormal

Dtc 21 open vehicle speed sensor circuit

Dtc 23 vehicle speed signal abnormal

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Circuit inspection
1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the horn button assy.  connect the ...

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. ...

Description
1. Radio wave band The radio wave bands used in radio broadcasting are as follows: Lf: low frequency mf: medium frequency hf: high frequency vhf: very high frequency 2. Service area There are great differences in the size of the service area for am and fm broadcasting. Sometimes ...