DIAGNOSIS SYSTEM
DESCRIPTION
The main body ECU (multiplex network body ECU) stores DTCs when malfunctions occur.
The diagnostic system allows for reading of the DTCs from the DLC3.
Use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the vehicle battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
SELF-DIAGNOSTIC MODE (USING Techstream)
(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 / Smart Key / Utility / Wireless Door Lock Diagnosis Mode.
Body Electrical > Smart Key > Utility
Tester Display |
---|
Wireless Door Lock Diagnosis Mode |
(e) Proceed to the next step in accordance with the prompts on the Techstream screen.
(f) Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer output pattern.
(g) Check the diagnostic output when an electrical key transmitter sub-assembly switch is pressed. The diagnostic outputs can be checked by the wireless door lock buzzer pattern.
Wireless Door Lock Buzzer Output |
Suspected Area |
---|---|
A |
Normal (No malfunction) |
B |
Register electrical key transmitter sub-assembly |
C |
Wave interference or malfunction of a related component |
Toyota CH-R Service Manual > Front Seat Inner Belt Assembly: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the driver side and front passenger side.
The procedure listed below is for the driver side.
PROCEDURE
1. INSTALL FRONT SEAT INNER BELT ASSEMBLY (for Driver Side)
(a) Install the front seat belt anchor p ...
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
When there is a short to GND in the power supply for the transponder key amplifier
of the engine switch, the certification ECU (smart key ECU assembly) stores this
DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...