Daihatsu 1997 Terios J100 Service Manual page 915

When diagnosis code 42 is indicated:
Possible cause for malfunction: Power supply voltage is applied to upstream circuit of squib of air bag at
driver's seat side and/or passenger's seat side.
WARNING:
·
When this code is indicated, it indicates that the upstream ignition driver is turned on for a certain
reason. Under this condition, the air bag is deployed as soon as the safing sensor at the downstream
circuit is turned on. Hence, when this code is indicated, immediately turn off the ignition key switch
and proceed to the following steps.
Ignition SW
ACC
IG No. 1
IG No. 2
ST
Main
P+
D–
P–
2 3 4 5 6 7 8
1
9 10 11 12 14 15 16 17 18
13
Air bag ECU connector
(at wire harness side)
1. Checking procedure of air bag at the driver's seat side
(1) Turn off the ignition switch and wait for about 60 sec-
onds.
(2) Remove the steering pad assembly (air bag unit) from
the steering wheel.
CAUTION:
·
The steering pad assembly is installed to the steering
wheel by means of TORX
·
A steering pad assembly which was dropped previous-
ly can not be used again. Therefore, extreme care
must be exercised as to its handling.
(3) Disconnect the connector of the steering pad assem-
bly from the roll connector. Also disconnect the con-
nector for the horn.
WARNING:
·
When storing the steering pad assembly, be sure to
place it with the pad surface facing upward on a flat
place which is not exposed to direct sun rays. Sparks
of welding, etc. shall be kept away from the storing
place. Also the storing place shall be away from the
storing place for oil, grease, etc.
Air bag ECU
Engine
fuse
18 IG1
17 IG2
Air bag
fuse
10 E1
D+
+
F1
G1
–
Wire harness connector
(To roll connector)
® bolts.
Steering roll
connector
D+ 7
F1 f1
D– G1 g1
6
P+ 3
P–
2
+
f1
g1
–
Roll connector
Roll connector
(To driver's
(To wire harness)
side squib)
BE–81
JBE00281-05119
Squib
(Driver's
seat side)
F2 f2
G2 g2
H h
J j
Squib
(Passenger's
seat side)
+
+
F2
H
G2
J
–
–
Vehicle side connector
(To passenger's
side squib)
JBE00000-05120
JBE00282-05121
GOOD
JBE00283-05122