DTC 45

SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1662/45: Indicator Light Circuit Malfunction

DTC B1662/45 - Indicator Light Circuit Malfunction

DESCRIPTION

The indicator light circuit consists of the center airbag sensor assembly and the combination meter. DTC B1662/45 is set when a malfunction is detected in the indicator light circuit.






WIRING DIAGRAM









INSPECTION PROCEDURE
NOTICE: In order to prevent unexpected airbag deployment, disconnect the following connectors before inspecting parts such as wire harnesses, if the application of tester probes to the center airbag sensor assembly connector is necessary.

- Turn the ignition switch to the lock position.
- Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
- Disconnect the connector from the center airbag sensor assembly.
- Disconnect the connectors from the steering pad.
- Disconnect the connectors from the front passenger airbag assembly.
- Disconnect the connector from the front seat outer belt assembly LH.
- Disconnect the connector from the front seat outer belt assembly RH.
HINT: Skip the following steps if side and curtain shield airbags are not fitted.

- Disconnect the connector from the front seat side airbag assembly LH.
- Disconnect the connector from the front seat side airbag assembly RH.
- Disconnect the connector from the curtain shield airbag assembly LH.
- Disconnect the connector from the curtain shield airbag assembly RH.

PROCEDURE

1. CHECK DTC (AIRBAG SYSTEM)
(a) Turn the ignition switch to the on position.
(b) Clear the DTCs stored in the memory .
(c) Turn the ignition switch to the lock position.
(d) Turn the ignition switch to the on position and wait for at least 60 seconds.
(e) Check the DTCs .
OK:
DTC B1662/45 is not output.
HINT: DTCs other than B1662/45 may be output at this time, but they are not related to this check.

OK -- USE SIMULATION METHOD TO CHECK
NG -- Continue to next step.
2. CHECK DTC (CAN COMMUNICATION SYSTEM)
(a) Turn the ignition switch to the on position.
(b) Check the DTCs Diagnosis System.
OK:
DTC is not output.
NG -- CHECK CAN COMMUNICATION SYSTEM
OK -- Continue to next step.
3. CHECK CONNECTION OF CONNECTORS
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Check that the connectors are properly connected to the center airbag sensor assembly and the combination meter.
OK:
The connectors are properly connected.
NG -- CONNECT CONNECTORS
OK -- Continue to next step.
4. CHECK CENTER AIRBAG SENSOR ASSEMBLY





(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Replace the center airbag sensor assembly.
for Hatchback:

for Sedan:

HINT: Perform the inspection using parts from a normal vehicle when possible.
(d) Connect the connectors to the center airbag sensor assembly and the combination meter.
(e) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(f) Turn the ignition switch to the on position, and wait for at least 60 seconds.
(g) Clear the DTCs stored in the memory .
(h) Turn the ignition switch to the lock position.
(i) Turn the ignition switch to the on position, and wait for at least 60 seconds.
(j) Check for DTCs .
OK:
DTC B1662/45 is not output.
HINT: DTCs other than B1662/45 may be output at this time, but they are not related to this check.

NG -- GO TO METER / GAUGE SYSTEM
OK -- END