Toyota Tacoma manuals

Toyota Corolla Repair Manual: Circuit description

While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions.

The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until these signals are discontinued.

Wiring diagram

Inspection procedure

O/d cancel signal circuit
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Inspection procedure
1 Inspect terminal voltage(od Ц body ground) Disconnect the cruise control ecu connector.  turn the ignition switch to the on position.  measure the voltage between terminal od o ...

Other materials:

Inspection procedure
1 Check harness and connector(transmission control switch Ц body ground) Disconnect the transmission control switch connector of shift lever assy. measure the resistance according to the value(s) in the table below. Standard: 2 Inspect transmission control switch Mea ...

Circuit description
Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

Inspection procedure
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

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