If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible.
- Visible symptoms
• Fluid leaks under the vehicle (Water dripping from the air conditioning after use is normal.) • Flat-looking tires or uneven tire wear • Engine coolant temperature gauge needle continually points higher than normal
- Audible symptoms
• Changes in exhaust sound • Excessive tire squeal when cornering • Strange noises related to the suspension system • Pinging or other noises related to the engine
- Operational symptoms
• Engine missing, stumbling or running rough • Appreciable loss of power • Vehicle pulls heavily to one side when braking • Vehicle pulls heavily to one side when driving on a level road • Loss of brake effectiveness, spongy feeling, pedal almost touches the floor
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
ECM
Power Steering ECU
Engine speed signal
Engine variation inform ...
ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL LID LOCK CONTROL CABLE SUB-ASSEMBLY
(a) Engage the 8 clamps.
(b) Engage the 2 claws and connect the fuel lid lock control cable sub-assembly.
2. INSTALL FUE ...