Operation CHARM: Car repair manuals for everyone.

B1635

DTC B1635 CURTAIN SHIELD AIRBAG SENSOR (P SEAT SIDE) MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:




The airbag sensor rear RH consists of the safing sensor, the diagnostic circuit, the lateral deceleration sensor, etc.

If the airbag sensor assy center receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activated.

DTC B1635/24 is recorded when a malfunction is detected in the curtain shield airbag sensor (P seat side) circuit.

HINT: Troubleshoot DTC B1625/22 first when the DTC B1625/22 and B1635/24 are output simultaneously.

Wiring Diagram:






Step 1:




Step 2 - 3:




Step 4:




Step 5:




INSPECTION PROCEDURE

CAUTION: Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag deployment.

a. Turn the ignition switch to the LOCK position.
b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
c. Disconnect the connectors from the airbag sensor assy center.
d. Disconnect the connectors from the horn button assy.
e. Disconnect the connector from the front passenger airbag assy.
f. w/ Side and curtain shield airbag:
Disconnect the connector from the front seat airbag assy LH.

g. w/ Side and curtain shield airbag:
Disconnect the connector from the front seat airbag assy RH.

h. w/ Side and curtain shield airbag:
Disconnect the connector from the curtain shield airbag assy LH.

i. w/ Side and curtain shield airbag:
Disconnect the connector from the curtain shield airbag assy RH.

j. Disconnect the connector from the front seat outer belt assy LH.
k. Disconnect the connector from the front seat outer belt assy RH.