SRS-60
COLLISION DIAGNOSIS
Revision: August 20072004 QX56
COLLISION DIAGNOSISPFP:00015
For Frontal CollisionEHS000WW
Check the SRS components using the following table.
After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to
SRS-20, "
SRS Operation Check" .
SRS INSPECTION (FOR FRONTAL COLLISION)
Part SRS is activated SRS is NOT activated
Air bag module
(driver and front pas-
senger air bag mod-
ule)REPLACE
Install with new fas-
teners.1. Remove air bag module. Check harness cover and connectors for damage, termi-
nals for deformities, and harness for binding.
2. Install driver air bag module into the steering wheel to check fit and alignment with
the wheel.
3. Install passenger air bag module into the instrument panel to check fit with the
instrument panel.
4. If no damage is found, reinstall with new fasteners.
5. If damaged—REPLACE. Install air bag modules with new fasteners.
Crash zone sensor REPLACE the crash
zone sensor and
bracket with new fas-
teners.1. Remove the crash zone sensor. Check harness connectors for damage, terminals
for deformities, and harness for binding.
2. Check for visible signs of damage (dents, cracks, deformation) of the crash zone
sensor and bracket.
3. Install the crash zone sensor to check fit.
4. If no damage is found, reinstall with new fasteners.
5. If damaged—REPLACE the crash zone sensor and bracket with new fasteners.
Seat belt pre-ten-
sioner assemblies
and seat belt buckle
pre-tensioner assem-
bliesREPLACE
Install seat belt pre-
tensioner and seat
belt buckle pre-ten-
sioner assemblies
with new fasteners.1. Remove seat belt pre-tensioners and seat belt buckle pre-tensioner assemblies.
Check harness cover and connectors for damage, terminals for deformities, and
harness for binding.
2. Check belts for damage and anchors for loose mounting.
3. Check retractor for smooth operation.
4. Check seat belt adjuster for damage.
5. If no damage is found, reinstall seat belt pre-tensioner assembly.
6. If damaged—REPLACE. Install the seat belt pre-tensioners or seat belt buckle pre-
tensioner assemblies with new fasteners.
Diagnosis sensor unit REPLACE
Install with new fas-
teners.1. Check case for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall with new fasteners.
4. If damaged—REPLACE. Install diagnosis sensor unit with new fasteners.
Steering wheel 1. Visually check steering wheel for deformities.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformities.
3. Install driver air bag module into the steering wheel to check fit and alignment with the wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall.
6. If damaged—REPLACE.
Spiral cable REPLACE the spiral
cable.1. Visually check spiral cable and combination switch for damage.
2. Check connectors and protective tape for damage.
3. Check steering wheel for noise, binding or heavy operation.
4. If no damage is found, reinstall.
5. If damaged—REPLACE.
Occupant classifica-
tion system (Passen-
ger seat)1. Remove passenger seat.
2. Check control unit case for dents, cracks of deformities.
3. Check connectors and pressure sensor tube for damage, and terminals for deformities.
4. Check seat frame and cushion pan for dents or deformities.
5. If no damage is found, reinstall seat with new fasteners.
6. If damaged — REPLACE seat cushion assembly with new fasteners.
