Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm di rs cib01065
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DI-275
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
DI1B7-30
DTC B0106/54 Open in P Squib Circuit
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-2 .
DTC B0106/54 is recorded when an open is detected in the P squib circuit.
DTC No. DTC Detecting Condition Trouble Area
S Open circuit in P+ wire harness or P- wire harness of
S Front passenger airbag assembly (P squib)
squib
B0106/54 S Airbag sensor assembly
S P squib malfunction
S Wire harness
S Airbag sensor assembly malfunction
WIRING DIAGRAM
See page DI-271 .
INSPECTION PROCEDURE
1 Prepare for inspection. (See step 1 on page DI-390 )
2 Check P squib circuit.
CHECK:
For the connector (on the front passenger airbag assembly
P Squib
Airbag side) between the front passenger airbag assembly and the air-
Sensor bag sensor assembly, measure the resistance between P+ and
Assembly P-.
OK:
Resistance: Below 1
P- P+
(-) (+)
NG Repair or replace harness or connector be-
R14286 tween front passenger airbag assembly and air-
H02142 H02251
bag sensor assembly.
OK
2002 ECHO (RM884U)
Author : Date : 445
DI-276
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 Check airbag sensor assembly.
PREPARATION:
P Squib (a) Connect the connector to the airbag sensor assembly.
Airbag (b) Using a service wire, connect P+ and P- of the connector
Sensor (on the front passenger airbag assembly side) between
Assembly the front passenger airbag assembly and the airbag sen-
sor assembly.
(c) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
ON
P- P+ CHECK:
(a) Turn the ignition switch to ON and wait at least for 20 se-
conds.
(b) Clear DTC stored in memory. (See page DI-239 )
DLC3 (c) Turn the ignition switch to LOCK, and wait at least for 20
Code B0106/54
seconds.
(d) Turn the ignition switch to ON, and wait at least for 20 se-
conds.
CG Tc (e) Check DTC. (See page DI-239 )
H01023
OK:
H02144 AB0119
H10600 H01078 H10613 DTC B0106/54 is not output.
HINT:
Codes other than code B0106/54 may be output at this time, but
they are not relevant to this check.
NG Replace airbag sensor assembly.
OK
2002 ECHO (RM884U)
Author : Date : 446
DI-277
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 Check P squib.
PREPARATION:
(a) Turn the ignition switch to LOCK.
P Squib
Airbag (b) Disconnect negative (-) terminal cable from the battery,
Sensor and wait at least for 90 seconds.
Assembly (c) Connect the front passenger airbag assembly connector.
(d) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
CHECK:
ON (a) Turn the ignition switch to ON, and wait at least for 20 se-
conds.
(b) Clear DTC stored in memory. (See page DI-239 )
(c) Turn the ignition switch to LOCK, and wait at least for 20
DTC B0106/54 seconds.
DLC3
(d) Turn the ignition switch to ON, and wait at least for 20 se-
conds.
(e) Check DTC. (See page DI-239 )
OK:
CG Tc
DTC B0106/54 is not output.
H01024
AB0119
H10600 H01078 H10614 HINT:
Codes other than code B0106/54 may be output at this time, but
they are not relevant to this check.
NG Replace front passenger airbag assembly.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.
2002 ECHO (RM884U)
Author : Date : 447
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