Toyota CH-R Service Manual: Certification Ecu
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
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2. REMOVE ECU INTEGRATION BOX RH
|
(a) Disconnect the 4 connectors. |
|
.png)
(b) Using a clip remover, disengage the wire harness clamp.
|
(c) Remove the bolt, 2 nuts and ECU integration box RH. |
|
.png)
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 |
.png) |
Remove in this Direction |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU (smart key ECU assembly), refer to Registration.
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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.
.png) |
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. |
|
.png)
(c) Connect the 4 connectors.
3. INSTALL NO. 2 INSTRUMENT PANEL LOWER FINISH PANEL
Click here
Electrical Key Oscillator(for Front Floor)
Components
COMPONENTS
ILLUSTRATION
*1
NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY
-
-
Installation
INSTALLATION
PROCEDURE
1. INSTALL ...
Other materials:
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser
code ECU) is stuck high, the ECM will store this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279A
...
Toyota CH-R Service Manual > Meter / Gauge System: Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION
In this circuit, the combination meter assembly receives engine coolant temperature
signals from the ECM via CAN communication. The combination meter assembly displays
the engine coolant temperature that is calculated based on the data received from
the ECM.
WIRING DIAGRAM
CAU ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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