Safety airbag-16
Yes Next step
4 Confirm the failure in clock spring or other parts
configure the special tools fuel and t emperature diagnostic instrument
at 2Ω position
Install back the accumulator negative wire
Place the ignition switch in ON place
Any failure code in display? No Replace clock spring
Take references in the removal
and installation for safety airbag
system and clock spring.
Nor mal Replace SRS safety airbag
system unit; take references in
removal/installation of SRS
safety airbag system unit.
5 Check the wiring harness between clock spring and SRS safety airbag
system electronic-control unit
Place the ignition switch in LOCK position
Release accumulator negative wire and wait for 1 minute plus
Remove PAB trim cover, glove box (passengers’ side safety airbag is
under the trim cover)
Release the passengers’ side safety airbag module connector clip
Release all SRS safety airbag system unit connector clips
Check whether the following troubles are with the harness between
connector clips terminals of SRS safety airbag system unit and clock
spring
Grounding
Power-supply shorting
Shutoff
Is the previous wiring harness normal? Abnormal Replace the wire harness
Nor mal Next step
6 Check the clock spring connector clip
Remove the steering pillar shell
Release the clock spring connector clip
Is the clock spring connector clip normal? Abnormal Replace the wiring harness or
connector clips
Nor mal Next step
7 Check clock spring
Remove clock spring
Take references in removal/installation of safet y airbag system as
well as clock spring
Check clock spring
Take references in the test for safety airbag system and clock spring.
Is the clock spring normal? Abnormal Replace clock spring
Take references in the
removal/installation of safety
airbag system and clock spring.
Nor mal Next step
8 Check the wiring harness between clock spring and SRS safety airbag
system electronic-control unit
Place the ignition switch in LOCK position
Release accumulator negative wire and wait for 1 minute plus
Remove PAB trim cover, glove box (passengers’ side safety airbag is
under the trim cover)
Release the passengers’ side safety airbag module connector clip
Release all SRS safety airbag system unit connector clips.
Check whether the following troubles are with the harness between
connector clips terminals of SRS safety airbag system unit and spring
clock.
Grounding
Power-supply shorting
Shutoff
Is the previous harness normal? Abnormal Replace clock spring
Take references in the
removal/installation of safety
airbag system, and clock spring
Safety airbag-20
Wiring harness joint (instrument cluster wiring harness)
Check whether the wiring harness is well installed, the joint is broken and the terminal is deformed.
Warning
The attentions for use and maintenance for SRS safety airbag are displayed in the Figure. Operate according to the sign and, the
destructed and dirty sign must be replaced with a new one steering
wheel in Figure6-1
Driver’s side safety airbag module in Figure 6.2
Clock spring in Figure 6.3
SRS-ECU in Figure 6.4
Sun visor in Figure 6.5
Passengers’ side safety airbag module in Figure 6.6
Passenger side airbag (PAB)
Safety airbag-15
Y esPr
esen t f
ailu re codes
R e plac e S R S saf ety airb ag system unit
S e e h e removal/ins talla tion ofS R
S
sa f ety airb ag system unit
Hi stor y a ccum ulated failu re code
s
T h e e nd offailur e d iagn osis4 Pl
ac e t he i gnition switch i nL O C K position
R e l eas e a ccum ulator negative wire and w ait f or 1 m inut
e
pl us
R e mo vethe l eft t rim c over
Sh ut off S R S safety airb ag system unit tran slat io
n
co nn ecto r cl ips
I n stal l b ack t he
accu mulato r n egativ e w ire, plac e t he
ig nition switch inON position
I s the p oten tial of S R S s afety a irba g s ystem u nit c
onne ctor
cl ip s s titc h 5 , 6( g roun ding ) a bove 9V
? No
R eplac e w irin g h arne ss
Drive side failure
Failure code
$9021
$9022
$9024
$9025
Driver’s side safety airbag failure (high or low resistance, shorting grounding, etc.)
Test
condition
Warning
If not correctly handled, the safety airbag module as well as pretension safety belt may possibly be trigged, released
and tensioned, thus make serene damage to people. Therefore, please carefully read the repairing warning before
trouble handling. Please take references in safety airbag system repairing warning
Driver’s side safety airbag
The resistance between the SRS safety airbag system connector clips connectors not within the designated scope
SRS safety airbag system driver’s side airbag relative wiring harness shorting or shutoff
Possible
causes
Driver’s side safety airbag module failure
Clock spring internal failure
Failure of circuit connector clips between clock spring and SRS safety airbag system electronic-control unit
Shutoff or shorting of wiring harness between clock spring and SRS safety airbag system electronic-control unit.
Misconnection of SRS safety airbag system driver’s side airbag generator connector clip
Procedure Test Operation
Normal Next step
1
Check the clock spring
Warning
If not correctly handled, the safety airbag module may possibly be
trigged and released thus make serene damage to people. Therefore,
please carefully read the repairing warning before trouble handling.
Please take references in safety airbag system repairing warning.
Are the relative parts of clock spring normal? (The relation between
stitches, unnecessary shutoff or shorting?) if the present clock spring can
be replaced by a better one.
Abnormal
Replace the clock spring
Take references in the
removal/installation for
safety airbag system and
clock spring
Can
Replace the driver’s side
safety airbag module
Take references in the
removal/installation for
driver’s side safety airbag
in safety airbag system
2
Confirm the failure in driver’s side safety airbag module or other parts.
Replace the DAB module with a better one
Install back accumulator negative wire
Place the ignition switch in ON position
Is the failure code still in display or can be debugged?
No Next step
Normal Next step
3
Check clock spring wiring harness connector clip
Place the ignition switch in LOCK position
Release accumulator negative wire and wait for 1 minute plus
Remove steering pillar shell
Release the clock spring connector clip, is it in normal condition? Abnormal Replace the wiring
harness
Safety airbag-16
Yes Next step
4 Confirm the failure in clock spring or other parts
configure the special tools fuel and t emperature diagnostic instrument
at 2Ω position
Install back the accumulator negative wire
Place the ignition switch in ON place
Any failure code in display? No Replace clock spring
Take references in the removal
and installation for safety airbag
system and clock spring.
Nor mal Replace SRS safety airbag
system unit; take references in
removal/installation of SRS
safety airbag system unit.
5 Check the wiring harness between clock spring and SRS safety airbag
system electronic-control unit
Place the ignition switch in LOCK position
Release accumulator negative wire and wait for 1 minute plus
Remove PAB trim cover, glove box (passengers’ side safety airbag is
under the trim cover)
Release the passengers’ side safety airbag module connector clip
Release all SRS safety airbag system unit connector clips
Check whether the following troubles are with the harness between
connector clips terminals of SRS safety airbag system unit and clock
spring
Grounding
Power-supply shorting
Shutoff
Is the previous wiring harness normal? Abnormal Replace the wire harness
Nor mal Next step
6 Check the clock spring connector clip
Remove the steering pillar shell
Release the clock spring connector clip
Is the clock spring connector clip normal? Abnormal Replace the wiring harness or
connector clips
Nor mal Next step
7 Check clock spring
Remove clock spring
Take references in removal/installation of safet y airbag system as
well as clock spring
Check clock spring
Take references in the test for safety airbag system and clock spring.
Is the clock spring normal? Abnormal Replace clock spring
Take references in the
removal/installation of safety
airbag system and clock spring.
Nor mal Next step
8 Check the wiring harness between clock spring and SRS safety airbag
system electronic-control unit
Place the ignition switch in LOCK position
Release accumulator negative wire and wait for 1 minute plus
Remove PAB trim cover, glove box (passengers’ side safety airbag is
under the trim cover)
Release the passengers’ side safety airbag module connector clip
Release all SRS safety airbag system unit connector clips.
Check whether the following troubles are with the harness between
connector clips terminals of SRS safety airbag system unit and spring
clock.
Grounding
Power-supply shorting
Shutoff
Is the previous harness normal? Abnormal Replace clock spring
Take references in the
removal/installation of safety
airbag system, and clock spring
Safety airbag-17
Passengers’ side failure
Failure code
$9015
$9016
$9018
$9019 Passengers’ side safety airbag module (high or low resistance or shorting grounding)
Tes t co n d it i o n Warning
If not correctly handled, the safety airbag module as well as pretension safety belt may possibly be
trigged, released and tensioned, thus make serene damage to people. Therefore, please carefully read the
repairing warning before trouble handling. Please take references in safety airbag system repairing warning
If with passengers’ side safety airbag failure
The resistance between SRS safety airbag system unit connector clip stitch 13 and stitch 14 not within the
designated scope.
The wiring harness shorting between safety airbag system unit stitch 13 and stitch 14
Open loop between SRS safety airbag system unit connector clip stitch 13 and stitch 14,
Possible causes Passengers’ side safety airbag module failure
The failure of connector clip between passengers’ side safety airbag module and SRS safety airbag system
electronic-control unit
The failure of connector clip between SRS safety airbag system unit and grounding jumper.
The circuit shutoff or shorting between passengers’ side safety airbag module and SRS safety airbag system
electronic-control unit
The circuit shutoff or shorting between SRS safety airbag system unit and grounding jumper
SRS safety airbag system unit failure
Procedure Test Operation
Yes Next step
1 Is the vehicle with passengers’ side safety airbag module
No Step 5
Ye s Present failure code
Next step
History- accumulated failure codes
Next step
2 Check passengers’ side safety airbag connector clips
Warning
If not correctly handled, the safety airbag module may possibly be
trigged and released thus cause serene damage to people, therefore,
please carefully read the maintenance warning.
Take references in safety airbag maintenance warning.
Place the ignition switch in LOCK position
Release accumulator negative wire and wait for about 1 minute
plus
Remove the PAB trim cover, glove box (passengers’ side safety
airbag is under the trim cover)
Release passengers’ side safety airbag module connector clip
Is the previous connector clip normal? No Replace the wiring harness
Ye s Next step
3 Confirm whether the failure cause is with passengers’ side safet y
airbag module or some other parts
Connect a better module to the terminal A and B of passengers’
side safety airbag connector clip
Connect the accumulator negative wire
Place the ignition switch in ON position
Any failure code in display? No Replace passengers’ side safety airbag
module
Take references in the
removal/installation of passengers’ side
safety airbag module in safety airbag
system.