Description
BCM detects ON/OFF state of the stop lamp switch and transmits the data to the TCM via CAN communication by converting the data to a signal.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.CHECK DTC DETECTION
With CONSULT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to TM-126, "Wiring Diagram".
1.CHECK STOP LAMP SWITCH CIRCUIT
2.CHECK HARNESS BETWEEN STOP LAMP SWITCH AND BCM (PART 1)
3.CHECK HARNESS BETWEEN STOP LAMP SWITCH AND BCM (PART 2)
Check continuity between BCM vehicle side harness connector terminal and ground.
4.CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to TM-48, "Component Inspection (Stop Lamp Switch)".
5.CHECK BCM
With CONSULT
6.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Component Inspection (Stop Lamp Switch)
1.CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch connector terminals.
A-bag branch line circuit
Diagnosis Procedure
WARNING:
Always observe the following items for preventing accidental
activation.
Before servicing, turn ignition switch OFF, disconnect battery negative
terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
Never use unspecified tester or other measu ...
Steering switch
Removal and Installation
REMOVAL
Remove the driver airbag module. Refer to SR-12, "Removal and
Installation".
Remove the steering wheel audio control switch screws (A).
Release the steering wheel audio control switch harness clips
(B).
Remove the steering wheel audio contr ...
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 p ...