Clearing Codes - Toyota 4Runner 1996 Manual

AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
11
12
14
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CLEARING CODES

1. At DLC, connect a jumper wire to terminal Tc, and another jumper wire to terminal AB. See Fig. 12 .
Turn ignition switch to ACC or ON position. Wait about 6 seconds.
2. Starting with terminal Tc, apply body ground alternately to terminal Tc and terminal AB twice each, in
cycles of 1/2 to 1 1/2 seconds. Finally, keep applying body ground to terminal Tc until air bag warning
light flashes quickly, indicating codes are cleared.
NOTE: When alternately connecting jumper probes to terminals, simultaneously
release one probe from one terminal while connecting other probe to other
terminal. If time interval between probings is too long, codes will not clear.
DIAGNOSIS
WARNING: Failure to follow air bag service precautions may result in air bag
deployment and personal injury. See SERVICE PRECAUTIONS . After
component replacement, perform system operational check to ensure
proper system operation. See SYSTEM OPERATION CHECK .
CAUTION: Ensure ignition switch is in LOCK position before disconnecting or
connecting negative battery cable. If ignition switch is in ACC or ON
position when negative battery cable is disconnected or connected, center
air bag sensor may be damaged.
AIR BAG WARNING LIGHT DOES NOT COME ON AT ALL
NOTE: For air bag sensor connector terminal identification, see Fig. 13 .
1996 Toyota 4Runner
Air Bag Sensor Assembly Malfunction
Short To Ground In Squib Circuit
Short To Battery In Squib Circuit
Open In D Squib Circuit
Open In P Squib Circuit