CorollaFix

B1135 (blink 24) on Toyota Corolla E120: Harf Connection in Airbag Sensor Assembly

Short answer: B1135 means “Harf Connection in Airbag Sensor Assembly”. The car’s computer has found a fault in the SRS system and turns on the SRS airbag warning. First check: workshop check order (RM821E): CHECK AIRBAG SENSOR ASSEMBLY CONNECTOR -> CHECK AIR BAG SENSOR ASSY CENTER -> INSPECT DISCONNECTION DETECTION PIN IN THE AIRBAG SENSOR.

Code
B1135 · blink 24
System
SRS
Dashboard light
SRS airbag warning
Applies to
Cars with airbags (SRS)
Confidence
high (official Toyota RM821E)
Source
toyotamanuals.gitlab.io

Symptoms and when it is set

  1. S Malfunction of electrical connection check mechanism of airbag sensor assembly connector S Airbag sensor assembly malfunction

Likely causes

  1. Electrical connection check mechanism; Airbag sensor assembly

What to check, in order

  1. Workshop check order (RM821E): CHECK AIRBAG SENSOR ASSEMBLY CONNECTOR -> CHECK AIR BAG SENSOR ASSY CENTER -> INSPECT DISCONNECTION DETECTION PIN IN THE AIRBAG SENSOR

Related on this car

← B1100/31 B1156/15 →

Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.