Hint:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Operation check
Terminals of ecuIf your vehicle needs
to be towed
If towing is necessary, we recommend having your vehicle
towed by your toyota dealer or commercial towing service,
using a wheel-lift type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.
2Wd models: if towing your vehicle ...
Short in front driver side pretensioner squib circuit
Description
The driver side front pretensioner squib circuit consists of the center
airbag sensor and the front seat
outer belt lh.
This circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the front prete ...
Ig power source circuit
Description
This is the main power source supplied to the air conditioning amplifier when
the ignition switch is on.
This power source is used for operating components, such as the air conditioning
amplifier and servo
motors.
Wiring diagram
Inspection procedure
Inspect fuse (ecu-i ...