Description
BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Depress the brake pedal and wait for at least 1 second.
Check "Self Diagnostic Result" with CONSULT.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147, "Wiring Diagram" or SEC-128, "Wiring Diagram".
1.CHECK STOP LAMP SWITCH INPUT SIGNAL
Turn ignition switch OFF.
Disconnect BCM harness connector.
Check voltage between BCM harness connector M18 terminal 26 and ground.
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Disconnect stop lamp switch harness connector.
Check voltage between stop lamp harness connector E38 terminal 3 and ground.
3.CHECK STOP LAMP SWITCH CIRCUIT
1. Check continuity between stop lamp switch harness connector E38 (A) terminal 4 and BCM harness connector M18 (B) terminal 26.
2. Check continuity between BCM harness connector M18 terminal 26 and ground.
4.CHECK STOP LAMP SWITCH
Refer to SEC-44, "Component Inspection".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
Inspection End.
Component Inspection
1.CHECK STOP LAMP SWITCH
Turn ignition switch OFF.
Disconnect stop lamp switch harness connector.
Check continuity between stop lamp switch terminals under the following conditions.
Lifting switch (front)
Description
Lifting switch (front) is equipped to the power seat switch LH on the seat
frame. The operation signal is input to the driver seat control unit when the
lifting switch (front) is operated.
Component Function Check
1. CHECK FUNCTION
Select "LIFT FR SW-UP", "LIFT FR SW-DN" in "D ...
U1000 CAN comm circuit
Description
Refer to LAN-24, "CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
U1000
CAN COMM CIRCUIT
Driver seat control unit cannot communicate to other control
units.
...
Precaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front ...