Components
COMPONENTS
ILLUSTRATION
*1 |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
*2 |
ECU INTEGRATION BOX RH |
Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the certification ECU (smart key ECU assembly) removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure |
Necessary Procedures |
Effects / Inoperative when not performed |
Link |
---|---|---|---|
Certification ECU (smart key ECU assembly) |
Perform code registration (Immobiliser system) |
|
w/ Smart Key System: |
PROCEDURE
1. REMOVE NO. 2 INSTRUMENT PANEL LOWER FINISH PANEL
Click here
2. REMOVE ECU INTEGRATION BOX RH
(a) Disconnect the 4 connectors. |
|
(b) Using a clip remover, disengage the wire harness clamp.
(c) Remove the bolt, 2 nuts and ECU integration box RH. |
|
3. REMOVE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Using a screwdriver with its tip wrapped in protective tape, disengage the claws to remove the certification ECU (smart key ECU assembly) as shown in the illustration.
*a |
Protective Tape |
![]() |
Remove in this Direction |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU (smart key ECU assembly), refer to Registration.
Click here
PROCEDURE
1. INSTALL CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Engage the claws to install the certification ECU (smart key ECU assembly) as shown in the illustration.
![]() |
Install in this Direction |
2. INSTALL ECU INTEGRATION BOX RH
(a) Install the ECU integration box RH with the 2 nuts and bolt.
(b) Engage the wire harness clamp. |
|
(c) Connect the 4 connectors.
3. INSTALL NO. 2 INSTRUMENT PANEL LOWER FINISH PANEL
Click here
Toyota CH-R Service Manual > Navigation System: Freeze Frame Data
FREEZE FRAME DATA
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
Body Electrical > Navigation System > Trouble Codes
(e) ...
Toyota CH-R Service Manual > Lighting System: Headlight Dimmer Switch Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) receives the following switch
information:
Light control switch in tail, head or AUTO position
Dimmer switch in high, low or high flash (pass) position
Fog light switch in front or off position*1
*1: w/ Fog L ...