Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Inspect terminal voltage(idl)

  1. Remove the cruise control ecu assy with connector still connected.
  2.  disconnect the ecm connector.
  3.  turn the ignition switch to on.
  4.  measure voltage between terminal 13 (idl) of cruise control ecu assy connector and body ground when the throttle valve is fully closed and fully opened.

    Ok:

2 Check harness and connector(between cruise control ecu assy

2 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 the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and ...

Stop light switch circuit
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Other materials:

Shift position uses
*: Shifting to the D position allows the system to select a gear suitable for driving conditions. Setting the shift lever to the D position is recommended for normal driving. ■Downshifting restrictions The shift lever cannot be downshifted if the following speeds are exceeded. mph (km ...

Diagnostic trouble code chart
Hint: as for the vehicle for mexico, refer to repair manual 2003 corolla (pub. No. Rm938u). Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors. If a malfunction code is displayed during the dtc check in the check mod ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

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