Downloaded from www.Manualslib.com manuals search engine 10B-39 Body Electrical Control System: 
Repair Instructions
BCM (Included in Junction Block Assembly) 
Removal and Installation
S7RS0BA206001
CAUTION! 
Do not attempt removal of BCM from junction 
block assembly as it may cause contact 
failure.
If there is faulty condition in BCM, replace 
junction block assembly.
 
Removal
1) Disconnect negative (–) cable from battery.
2) Disable air bag system referring to “Disabling Air  Bag System in Section 8B”.
3) Remove dash side trim (1) and steering column hole  cover (2).
4) Remove junction block assembly mounting nuts (3).
5) Disconnect connectors from BCM and junction block  assembly.
6) Detach wiring harness clamp from junction block  assembly.
Installation
Reverse removal procedure for installation, noting 
following points.
• Connect connectors securely.
• Enable air bag system referring to “Enabling Air Bag  System in Section 8B”.
Outside Air Temperature Sensor Removal and 
Installation
S7RS0BA206002
For removal and installation, refer to “Outside Air 
Temperature Sensor Removal and Installation (If 
Equipped) in Section 9C”.
Outside Air Temperature Sensor InspectionS7RS0BA206003
For inspection, refer to “Outside Air Temperature Sensor 
Inspection (If Equipped) in Section 9C”.
Security Alarm Mode Selection Procedure (If 
Equipped)
S7RS0BA206004
Security alarm mode can be selected by performing the 
following procedure.
1) Confirm that all doors are closed, all doors are  unlocked and ignition key is inserted in  ignition key 
cylinder.
2) Remove ignition key from ignition key cylinder.
3) Perform Step a) through e) described below within  15 seconds.
a) Insert ignition key (1) in ignition key cylinder (2).
b) Remove ignition key from  ignition key cylinder.
c) Repeat Step a) and b) twice.
d) Insert ignition key in ignition key cylinder.
e) Push lock side (3) of driver side manual lock  switch (4) 3 times.
4) When Step 3) is completed, the mode changes to  the next one automatically. The warning buzzer 
(located in BCM) sounds by the number of specified 
for each mode as follows.
• Changed from A mode to B mode: Buzzer sounds 4 times
• Changed from B mode to A mode: Buzzer sounds  once
4. BCM 5. Junction block assembly
I4RS0BA20010-01
4
3
1
2
I5RS0DA20007-01  
         
        
        Downloaded from www.Manualslib.com manuals search engine 10E-6 Keyless Start System: 
Alarm FunctionS7RS0BA501006
Under conditions as described in the table below, the keyless start control module makes the key indicator lamp flash 
in red and the buzzer sound to call the driver’s attention.
CAN Communication System DescriptionS7RS0BA501007
Refer to “CAN Communication System  Description in Section 1A” for CAN communication system description.
Keyless start control module  communicates control data wit h each control as follows.
Keyless Start Control Module Transmission Data
Keyless Start Control Module Reception Data Condition Buzzer operation Key indicator lamp operation
Ignition knob switch has stopped between ACC and OFF 
positions while driver side door is opened (ignition knob 
switch un-returned alarm) Intermittent —
Ignition switch has stopped between ACC and OFF 
positions while driver side door is closed (ignition knob 
switch un-returned alarm) 2 times Flashing in red
Remote controller is carried out of vehicle and doors are 
closed while ignition switch is at ON position (remote 
controller carried-out alarm) 5 times Flashing in red
Remote controller is carried out of vehicle through a window 
without opening door while ignition switch is at ON position 
(engine is running) and vehicle has been driven at 10km/h 
(6 MPH) or more speed without remote controller in vehicle 
compartment (the first time 10 km/h (6 MPH) speed is 
exceeded only) (Remote cont roller carried-out alarm) 5 times Flashing in red
BCM
ECM Combination 
Meter
ID code of keyless start control module
ECM-keyless start control module code
Ignition knob switch signal
Door lock/unlock request signal
Buzzer request signal
Answer back request signal
Key indicator light control signal
DATA
Transmit
Keyless Start
 Control Module
I6JB0AA50005-01
Vehicle speed signal
ECM-keyless start control module code
Door switch status
Door lock status
Charging system signal
Engine oil pressure switch signal ECM BCM
DATA
ReceiveKeyless Start 
Control Module
I5RW0CA50001-02