Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Check operation(overdrive)

  1. Drive the vehicle after the engine warms up.
  2.  check that overdrive on e off occurs by an operation of the o/d switch onoff.

2 Inspect terminal voltage(od)

2 Inspect terminal voltage(od)

  1. Remove the cruise control ecu assy with the connector still connected.
  2.  turn the ignition switch to on.
  3.  disconnect the cruise control ecu assy connector.
  4.  measure voltage between terminal 14 (od) of harness side connector of cruise control ecu assy and body ground.

    Ok: voltage: 10 14 v

3 Inspect terminal voltage(ect)

3 Inspect terminal voltage(ect)

  1. Connect the cruise control ecu assy connector.
  2.  perform the test drive after engine warms up.
  3.  check voltage between terminal 6 (ect) of cruise control ecu assy connector and body ground when o/d switch is on and off.

    Ok:

4 Check harness and connector(between cruise control ecu assy

4 Check harness and connector(between cruise control ecu assy and electronically controlled transmission solenoid)

  1. Check for open and short circuit in harness and connector between cruise control ecu assy and electronically controlled transmission solenoid

Check and replace cruise control ecu assy

Check and replace cruise control ecu assy

5 Check harness and connector(between cruise control ecu assy and ecm)

  1. Check for open and short circuit in harness and connector between cruise control ecu assy and ecm

Check and replace cruise control ecu assy

Check and replace cruise control ecu assy

Circuit description
When driving uphill under cruise control, in order to reduce the number of shifting due to onoff overdrive operation and to provide smooth driving, when down shifting in the electronically contr ...

Park/neutral position switch circuit
...

Other materials:

Seat belt warning lamp for front passengers seat does not flash
Wiring diagram Inspection procedure 1 Inspect combination meter assy Ground terminal c911 on the combination meter side.  check that the warning lightlights up. Ok: warning light lights up. 2 Inspect passenger seat belt warning lamp assy Ground terminal c96 on ...

Starting the engine
► Automatic transmission or continuously variable transmission 1 Check that the parking brake is set. 2 Check that the shift lever is set in P. 3 Firmly depress the brake pedal. 4 Turn the engine switch to the START position and start the engine. ► Manual transmission 1 Check t ...

Inspection procedure
1 Check connector Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the combination meter connector and the airbag sensor assy center connectors. Ok: the connectors are connected. 2 Check combination me ...

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