SRS AIRBAGS – GENERAL, ON-VEHICLE SERVICE POINTS
52B-1
SECTION 52B
SRS AIRBAGS
CONTENTS
Caution
To ensure safety, carefully read through the service precautions before starting work.
General
New servicing information has been established with the following changes. Apart from the information below, servicing is the
same as in the previous model.
• Front impact sensors added (vehicles not fitted with front passenger’s seat airbag module)
• Clock springs and seat belt pre-tensioners have been changed
Service Precautions
Precautions relating to the front impact sensors have been added. With the exception of the following, precautions are the
same as those for the previous model.
1. If there is a fault in a front impact sensor, then it must always be replaced by a new sensor.
3. When painting, if the temperature is likely to rise to 93°C or above, the front impact sensors should be removed in
advance.
General ……………..………........................1
Service precautions ……… .......................1
Special tools………..……… .......................2
Test equipment ………..……… ..................3
Troubleshooting………..……… .................4
Post-Collision diagnosis……… ..............28
Servicing SRS airbag and seat belt pre-
tensioner components ............................29
Caution labels……………….....................29
Front impact sensors………. ..................30
Airbag modules and clock
spring………..……… ....................................
32
Seat belt pre-tensioner…….....................34
Disposal procedures for airbag module
and seat belt pre-tensioner ................…34
2. If there is an abnormality in the SRS airbag harness connector, then
this must be replaced by a new one. If there is an abnormality in the
harness, then it must be repaired or replaced, in accordance with
the following table.
SRS-ECU connector
SRS-ECU
Terminal No.
Harness connection point
Measure
1, 2
Instrument panel harness
→
Front harness (RH)
→
Front impact sensor (RH)
Repair or replace respective
harnesses
3, 4
Instrument panel harness
→
Front harness (LH)
→
Front impact sensor (LH)
Repair or replace respective
harnesses