DTC B1158/B1159/16 Front Airbag Sensor (LH) Malfunction
DTC B1158/B1159/16 Front Airbag Sensor (LH) Malfunction
DTC B1158/B1159/16 Front Airbag Sensor (LH) Malfunction
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DIAGNOSTICS<br />
–<br />
SUPPLEMENTAL RESTRAINT SYSTEM<br />
DI–673<br />
9 Check wire harness (to ground).<br />
<strong>Front</strong> <strong>Airbag</strong><br />
<strong>Sensor</strong> (<strong>LH</strong>)<br />
(+)<br />
← →<br />
<strong>Airbag</strong><br />
<strong>Sensor</strong><br />
Assembly<br />
<strong>Airbag</strong> <strong>Sensor</strong><br />
Assembly<br />
SL–<br />
PREPARATION:<br />
Disconnect the front airbag sensor connector (<strong>LH</strong>).<br />
CHECK:<br />
For the connector (on the airbag sensor assembly side) between<br />
the front airbag sensor (<strong>LH</strong>) and the airbag sensor assembly,<br />
measure the resistance between body ground and<br />
each of SL+ and SL–.<br />
OK:<br />
Resistance:1 MΩ or Higher<br />
H03353<br />
H03361<br />
(–)<br />
SL+<br />
H03443<br />
OK<br />
Replace front airbag sensor (<strong>LH</strong>).<br />
NG<br />
10 Check cowl wire harness (to ground).<br />
<strong>Front</strong> <strong>Airbag</strong><br />
<strong>Sensor</strong> (<strong>LH</strong>)<br />
Cowl Wire Harness<br />
← →<br />
SL–<br />
<strong>Airbag</strong><br />
<strong>Sensor</strong><br />
Assembly<br />
SL+<br />
PREPARATION:<br />
Disconnect the cowl wire harness connector on the airbag sensor<br />
assembly side.<br />
CHECK:<br />
For the connector (on the cowl wire harness side) between the<br />
front airbag sensor (<strong>LH</strong>) and the cowl wire harness, measure<br />
the resistance between body ground and each of SL+ and SL–.<br />
OK:<br />
Resistance:1 MΩ or Higher<br />
(–)<br />
(+)<br />
NG<br />
Repair or replace cowl wire harness.<br />
H03354<br />
H06876<br />
H07964<br />
OK<br />
Repair or replace harness or connector between airbag sensor assembly and cowl wire harness.<br />
2003 TOYOTA TACOMA (RM1002U)<br />
Author:<br />
Date:<br />
935
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