Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Seat position airbag sensor
malfunction
Toyota Corolla (E120): Seat position airbag sensor malfunction
Dtc b1153/25 seat position airbag sensor malfunction
Other materials:
Overhaul
1. Remove generator pulley
Sst 09820–63010 (09820–06010, 09820–06020)
Hint:
Hold sst 1 – a with a torque wrench, and tighten sst 1
– b clockwise to the specified torque.
Torque: 39 nvm (398 Kgf·cm, 29 ft·lbf)
Notice:
check that sst is secured to the rotor shaft.
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Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
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On–vehicle inspection
1. Inspect speedometer
check the operation.
Using a speedometer tester, inspect the speedometer fro allowable
indication error and check
the operation of the odometer.
Reference:
Notice:
tire wear and tire over or under inflation will increase the indication error.
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