DTC B1796 Sleep Operation Failure of Occupant Classification ECU
DESCRIPTION
During sleep mode, the occupant classification ECU reads the condition of each sensor while the ignition switch is off.
In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 is output.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1796 |
|
|
INSPECTION PROCEDURE
1 CHECK DTC
HINT: First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.
OK: DTC B1796 is not output. HINT: Codes other than DTC B1796 may be output at this time, but they are not related to this check.
2 REPLACE OCCUPANT CLASSIFICATION ECU
3 PERFORM ZERO POINT CALIBRATION
OK: The "COMPLETED" is displayed.
4 PERFORM SENSITIVITY CHECK
Standard values: 27 to 33 kg (59.52 to 72.75 lb)
END
Open in ABS Solenoid Relay Circuit
DESCRIPTION
This relay supplies power to each ABS solenoid.
Immediately after the ignition switch is turned to the ON position, the relay
turns on if the solenoid is
determined to be normal as a result of self-diagnosis during initial check.
The relay turns off if an open/short is dete ...
Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO
COMPONENT AMPLIFIER)
Disconnect the radio and navigation assembly connector
R13 and s ...
Heater relay (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR HEATER RELAY
(a) Remove the rear heater relay.
(b) Measure the resistance according to the value(s) in
the table below.
Standard resistance
If the resistance is not as specified, replace the rear
heater relay. ...