Toyota Camry Manual page 1780

DTC B0138/72
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 the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS–2.
DTC B0138/72 is recorded when a B+ short is detected in the P/T squib (LH) circuit.
DTC No.
D Short circuit in seat belt pretensioner (LH) wire harness
(to B+)
B0138/72
D P/T squib (LH) malfunction
D Airbag sensor assembly malfunction
WIRING DIAGRAM
See page DI–743.
INSPECTION PROCEDURE
1 Prepare for inspection. (See step 1 on page DI–787)
2 Check P/T squib (LH) circuit.
ON
P/T Squib (LH)
(–)
AB0119
H01016
H08394
OK
DIAGNOSTICS
Short in P/T Squib (LH) Circuit (to B+)
DTC Detecting Condition
Airbag
Sensor
Assembly
PL+
(+)
H08269
– SUPPLEMENTAL RESTRAINT SYSTEM
D Seat belt pretensioner (LH)
D Airbag sensor assembly
D Wire harness
CHECK:
(a) Turn ignition switch to ON.
(b) For the connector (on the seat belt pretensioner side) be-
tween the seat belt pretensioner (LH) and the airbag sen-
sor assembly, measure the voltage between PL+ and
body ground.
OK:
Voltage: 0 V
NG Repair or replace harness or connector be-
tween seat belt pretensioner (LH) and airbag
sensor assembly.
Author :
DI–753
Trouble Area
Date :
DI1BL–14
988