Description
DTC B1023 FRONT PASSENGER AIR BAG OFF INDICATOR
The front passenger air bag off indicator is wired to the air bag diagnosis
sensor unit. The air bag diagnosis
sensor unit monitors the front passenger
air bag off indicator and circuit for failures.
PART LOCATION
DTC Logic
DTC DETECTION LOGIC
With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
NOTE:
SRS will not enter diagnosis mode if
no malfunction is detected in user mode.
Diagnosis Procedure
1.HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
NOTE:
All harness connectors should be
inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
2.CONFIRM DTC
3.WIRING HARNESS
Check the wiring harness for visible damage.
NOTE:
The entire wiring harness should be
inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
4.CONFIRM DTC
5.AIR BAG DIAGNOSIS SENSOR UNIT
6.PASSENGER AIR BAG OFF INDICATOR
7.RELATED HARNESS
Replace the related harness.
B1XXX air bag diagnosis sensor unit
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Exploded View
Clamp
Installation arrow
Vacuum hose
Vacuum pipe
Clip
To intake manifold
To brake booster
Front
Removal and Installation
REMOVAL
Disconnect the vacuum hose from the brake booster.
Disconnect the vacuum hose from the intake manifold.
Release the c ...
Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by PWM signal.
NOTE: PWM signal control period is
approximately 250 Hz (in the gradual brightening/dimming).
Component Function Check
CAUTION: Before performing the diagnosis,
check that the following is normal.
Battery saver ou ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...