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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Caution: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise
noted.
Specifications . . . . . . . . . . . . . . . . . . . . . . . . 8B-1
General Specifications . . . . . . . . . . . . . . . . . . 8B-1
Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8B-2
Function Description . . . . . . . . . . . . . . . . . . 8B-3
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . 8B-6
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 8B-6
Self Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . 8B-9
Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . 8B-15
Air Bag Diagram . . . . . . . . . . . . . . . . . . . . . . 8B-16
Application
Air bag System Deployment Time
Detection Time
Operating Temperature
Storage Temperature
Air Bag Replacement Interval
Voltage Range
Current Consumption
Acceleration Range
Max. Acceleration
Voltage Ramp
Energy Reservation
Inflator Ignition Energy
Squib Resistance
Air Bag Warning Lamp ON Time (When Ignition ON)
SECTION 8B
TABLE OF CONTENTS
SPECIFICATIONS
GENERAL SPECIFICATIONS
Maintenance and Repair . . . . . . . . . . . . . . 8B-17
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . 8B-17
Air Bag Module . . . . . . . . . . . . . . . . . . . . . . . 8B-17
Clock Spring . . . . . . . . . . . . . . . . . . . . . . . . . 8B-18
Air Bag Control Unit (AC4) . . . . . . . . . . . . . . 8B-20
General Description and System
Operation . . . . . . . . . . . . . . . . . . . . . . . . 8B-21
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 8B-21
Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8B-21
Description
-40°C - +85°C
-40°C - +90°C
Every 10-year after installation
5ms after ignition switch ON < 1A,
5ms - 5sec. <300mA, after 5sec. < 100mA
+/-600g pulse
0.5 - 2.0 V/s
150ms after battery disconnection
2.15 ± 0.35 W
< 20ms
< 5ms
9-16V
+/-50g
4.3mJ
6 sec.
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