DESCRIPTION
During sleep mode, the occupant detection ECU monitors the condition of each sensor while the ignition switch is off. In this mode, if the occupant detection ECU detects an internal malfunction, DTC B1796 is set.
DTC No. |
DTC Detections Conditions |
Trouble Areas |
---|---|---|
B1796 |
Occupant detection ECU malfunction |
Occupant detection ECU |
HINT:
PROCEDURE
1. |
CHECK DTC |
(a) Turn the ignition switch to the ON position.
(b) Clear any DTCs stored in the memory (See page
).
HINT:
(c) Turn the ignition switch to the LOCK position, and wait for at least 10 seconds.
(d) Turn the ignition switch to the ON position.
(e) Using the Techstream, check for DTCs of the occupant detection ECU (See page
).
OK:
DTC B1796 is not output.
HINT:
DTCs other than B1796 may be output at this time, but they are not related to this check.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
REPLACE OCCUPANT DETECTION ECU |
(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) Replace the occupant detection ECU (See page
).
HINT:
Perform the inspection using parts from a normal vehicle when possible.
|
3. |
PERFORM ZERO POINT CALIBRATION |
(a) Connect the negative (-) terminal cable to the battery.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Using the Techstream, perform the zero point calibration (See page
).
OK:
"Zero Point Calibration is complete." is displayed on the Techstream.
|
4. |
PERFORM SENSITIVITY CHECK |
(a) Using the Techstream, perform the sensitivity check (See page
).
Standard :
Standard value: 27 to 33 kg (59.52 to 72.75 lb)
NEXT | ![]() |
END |
Acceleration Sensor Stuck Malfunction (C1232,C1243,C1245,C1279)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw
rate and acceleration (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and
detects the vehicle's condition using 2 ...
Brake System (P157800)
DESCRIPTION
This DTC is stored when a malfunction is detected in the vehicle stability control
system.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
P157800
Brake System
While the igni ...
XM Tuner Antenna Disconnected (B15FE,B15FF)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the antenna assembly with
holder which is connected to the navigation receiver assembly assembly.
DTC No.
DTC Detection Condition
Trouble Area
B15FE
The antenna assembly wi ...