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 B0108/52 is recorded when a B+ short is detected in the P squib circuit. DTC No.
B0108/52
DTC Detecting Condition
Trouble Area
Short circuit in P squib wire harness (to B+) P squib malfunction Airbag sensor assembly malfunction
Prepare for inspection (See step 1 on page DI-390 ).
2
Check P squib circuit. CHECK: (a) Turn the ignition switch to ON. (b) For the connector (on the front passenger airbag assembly side) between the front passenger airbag assembly and the airbag sensor assembly, measure the voltage between the P+ and body ground. OK: Voltage: 0 V
Airbag Sensor Assembly
P Squib
ON P+ (-) H01022 AB0119 H02146
(+)
NG H04524
Repair or replace harness or connector between front passenger airbag assembly and airbag sensor assembly.
OK
2002 ECHO (RM884U)
Author:
Date:
451
DI-282 DIAGNOSTICS
3
-
SUPPLEMENTAL RESTRAINT SYSTEM
Check airbag sensor assembly.
P Squib Airbag Sensor Assembly →← ON P-
P+
DLC3
CG
DTC B0108/52
Tc
H01023 H02144 AB0118 H10600 H01076
H10617
PREPARATION: (a) Connect the connector to the airbag sensor assembly. (b) Using a service wire, connect P+ and P- of the connector (on the front passenger airbag assembly side) between the front passenger airbag assembly and the airbag sensor assembly. (c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds. CHECK: (a) Turn the ignition switch to ON and wait at least for 20 seconds. (b) Clear DTC stored in memory (See step 5 on page DI-239 ). (c) Turn the ignition switch to LOCK, and wait at least for 20 seconds. (d) Turn the ignition switch to ON, and wait at least for 20 seconds. (e) Check DTC (See page DI-239 ). OK: DTC B0108/52 is not output. HINT: Codes other than code B0108/52 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:
452
DI-283 DIAGNOSTICS
4
-
SUPPLEMENTAL RESTRAINT SYSTEM
Check P squib.
P Squib
→←
Airbag Sensor Assembly
ON
DLC3
CG
DTC B0108/52
Tc
H01024 AB0119 H10600 H01076
H10618
PREPARATION: (a) Turn the ignition switch to LOCK. (b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds. (c) Connect the front passenger airbag assembly connector. (d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds. CHECK: (a) Turn the ignition switch to ON, and wait at least for 20 seconds. (b) Clear DTC stored in memory (See step 5 on page DI-239 ). (c) Turn the ignition switch to LOCK, and wait at least for 20 seconds. (d) Turn the ignition switch to ON, and wait at least for 20 seconds. (e) Check DTC (See page DI-239 ). OK: DTC B0108/52 is not output. HINT: Codes other than code B0108/52 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. If the malfunctioning part can not be detected by the simulation method, replace all SRS components including the wire harness.
B0105/53. Short in P Squib Circuit. CIRCUIT DESCRIPTION. The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
Short in Side Squib (RH) Circuit (to B+). CIRCUIT DESCRIPTION. The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly ...
CIRCUIT DESCRIPTION. The side squib (LH) circuit consists of the airbag sensor assembly and side airbag assembly (LH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The side squib (LH) circuit consists of the airbag sensor assembly and side airbag assembly (LH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The P/T squib (RH) circuit consists of the airbag sensor assembly and seat belt pretensioner (RH). It causes the SRS to deploy when ...
B0101/14. Open in D Squib Circuit. CIRCUIT DESCRIPTION. The D squib circuit consists of the airbag sensor assembly, spiral cable and steering wheel pad.
CIRCUIT DESCRIPTION. The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH). It causes the SRS to deploy when ...
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 ...
CIRCUIT DESCRIPTION. The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The side squib (LH) circuit consists of the airbag sensor assembly and side airbag assembly (LH). It causes the SRS to deploy when ...
CIRCUIT DESCRIPTION. The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH). It causes the SRS to deploy when ...
The P/T squib circuit (RH) consists of the airbag sensor assembly and seat belt ... â¢Open circuit in PR+ wire harness or PR- wire harness of ... WIRING DIAGRAM.
wait at least for 2 seconds. 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 ).
(1) Unlock the front LH or RH door with a key. (2) Turn the ignition switch to IG or ON position. (3) Unlock the doors with the wireless door lock control system.
