Toyota Corolla (E120): Idle signal circuit

Inspection procedure

Circuit description

Other materials:

Overhaul
1. Remove console panel upper 2. Remove console box carpet 3. Remove parking brake hole cover sub–assy 4. Remove console box sub–assy rear 5. Disconnect floor shift cable transmission control shift Remove the cable end from the rod of the floor shift assembly. Using a s ...

Monitor description
Dtc p0451, p0452 or p0453 is recorded by the ecm when the vapor pressure sensor malfunctions. P0451 The ecm senses pressure in the fuel tank using the vapor pressure sensor. The ecm supplies the sensor with a regulated 5 v reference–voltage and the sensor returns a signal voltage betwee ...

Checking the messages
1 Display the “Message Inbox” screen. 2 Select the desired message from the list. 3 Check that the message is displayed. 1 E-mails: Select “Mark Unread” or “Mark Read” to mark mail unread or read on the message inbox screen. This function is available when “Update Message Read S ...