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Toyota 4Runner 1996 Manual

Air bag restraint system
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AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
DESCRIPTION & OPERATION
WARNING:
To avoid injury from accidental air bag deployment, read and carefully
follow all WARNINGS and SERVICE PRECAUTIONS.
Supplemental Restraint System (SRS) deploys a steering wheel pad (driver-side air bag) and passenger-side air
bag during a frontal impact of sufficient force. See Fig. 1 .
1996 Toyota 4Runner
1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM

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  • Page 1 1996 Toyota 4Runner 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System DESCRIPTION &...
  • Page 2 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 1: Locating SRS Components Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

  • Page 3: Service Precautions

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System The air bag sensor, which deploys air bags, contains a back-up power supply, safing sensor and diagnostic code memory. Spiral cable (clockspring) maintains a complete circuit to the steering wheel pad.
  • Page 4 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System disable system from operating normally. If SRS is not functional, park vehicle until it is repaired and functions properly. DISABLING & ACTIVATING AIR BAG SYSTEM...

  • Page 5: Disposal Procedures

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 2: Disconnecting Passenger-Side Air Bag Connector Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. Fig. 3: Disconnecting Driver-Side Air Bag Connector Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  • Page 6 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System glasses when handling components. Wrap deployed components in a sturdy plastic bag. Dispose of components like any other part. DEPLOYING AIR BAG On-Vehicle Deployment (Scrapped Vehicles Only) 1.
  • Page 7 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 4: Installing Wire On Steering Wheel Pad Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 4. Position steering wheel pad on rim and tire assembly with pad side facing upward. Ensuring wire is tight,...
  • Page 8 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 5: Installing Steering Wheel Pad On Wheel Assembly Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 5. Connect Deployment Tool (09082-00700) to steering wheel pad connector. Position deployment tool at least 33 feet from steering wheel pad.

  • Page 9: Spiral Cable

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 6: Deploying Passenger-Side Air Bag Assembly Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 3. Connect Deployment Tool (09082-00700) to air bag assembly connector. Assemble a stack of 5 tires with air bag assembly in middle of stack (ensure top tire has a wheel rim on it).

  • Page 10: Removal And Installation

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 7: Aligning Marks On Spiral Cable Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. REMOVAL & INSTALLATION WARNING: Failure to follow air bag service precautions may result in air bag deployment and personal injury.
  • Page 11 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System 1. Before proceeding, see SERVICE PRECAUTIONS . Disable SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM . 2. Air bag sensor is located forward of center console. See Fig. 1 . Remove upper console panel, rear console box, console panel garnish, ash receptacle box, heater control panel, and center cluster finish panel.
  • Page 12 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Removal 1. Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS . Ensure front wheels are in a straight-ahead position. Turn ignition switch to LOCK position. Disconnect and shield negative battery cable.

  • Page 13: Passenger-Side Air Bag

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System WARNING: During installation, if spiral cable mating mark is not properly aligned, steering wheel may not turn completely, or flat cable inside spiral cable may be severed, disabling SRS system.
  • Page 14 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 10: Removing Passenger-Side Air Bag Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

  • Page 15: Self-Diagnostic

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 11: Removing Passenger-Side Air Bag Door Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. SELF-DIAGNOSTIC AIR BAG WARNING LIGHT CHECK Turn ignition switch to ACC or ON position. If air bag warning light comes on then goes out after about 6 seconds, the system is okay at this time.
  • Page 16 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 12: Identifying Data Link Connector (DLC) Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 2. If air bag warning light does not flash codes, go to CODE(S) NOT DISPLAYED under DIAGNOSIS. If air bag warning light flashes continuously at a rate of 2 times per second, source voltage is low.

  • Page 17: Clearing Codes

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Short To Ground In Squib Circuit Short To Battery In Squib Circuit Open In D Squib Circuit Air Bag Sensor Assembly Malfunction Open In P Squib Circuit CLEARING CODES 1.
  • Page 18 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 13: Identifying Air Bag Sensor Connector Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 1. Remove SRS fuse. Check fuse for continuity. If fuse is okay go to next step. If fuse is not okay, replace fuse and go to step 5).
  • Page 19 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System light is okay, the malfunction is now corrected. If light is not okay, check terminal LA of air bag sensor assembly. If terminal is okay, replace air bag sensor assembly.

  • Page 20: Connector Identification

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System (s). Measure resistance between body ground and terminal 7 (Tc) of the air bag sensor connector. See Fig. 13 . If resistance is 1000 ohms or more, replace air bag sensor. If resistance is not infinite ohms, replace harness.
  • Page 21 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System NOTE: In the following procedure, "squib circuit connector" refers to any SRS connector that has a shorting bar on it. Perform this procedure only if you were sent here from TROUBLE SHOOTING.
  • Page 22 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System WARNING: Paper must not be thicker than male terminal. If paper is thicker, connector terminal may be damaged, possible resulting in system fault. 3. With squib circuit connector disconnected, insert paper into female terminal, sliding it under shorting bar spring.
  • Page 23 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System side air bag assembly between P+, P- and ground. If resistance is 1000 ohms or more, go to next step. If resistance is less than 1000 ohms, replace harness or connector between air bag sensor assembly and passenger-side air bag assembly.
  • Page 24 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System bag sensor assembly side of connector between airbag sensor assembly and passenger-side air bag assembly. Connect negative battery cable. Wait 2 seconds. Turn ignition switch to ACC or ON position.
  • Page 25 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System resistance is less than one ohm, no problem detected at this time. If resistance is more than one ohm, replace harness or connector between air bag sensor and spiral cable.

  • Page 26: Wire Repair

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System AIR BAG SENSOR CONNECTOR TERMINAL IDENTIFICATION Terminal Circuit "A" (L1) Shorting Bar "B" (L2) Shorting Bar 1 (P-) Squib "-" Passenger-Side 2 (P+) Squib "+" Passenger-Side 3 (D+) Squib "+"...

  • Page 27: Wiring Diagrams

    1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System WIRING DIAGRAMS...
  • Page 28 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System...
  • Page 29 1996 Toyota 4Runner AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System Fig. 16: SRS Wiring Diagram (4-Runner)

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