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 > Occupant Classification System: Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) The following chart shows the status of the front passenger SRS items and
passenger airbag ON/OFF indicator operation under each condition.
The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for
approximately 4 s ...
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Dtc Check / Clear
DTC CHECK / CLEAR
DTC CHECK USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
Body Electrical > Air Conditioner > Trouble Codes
(e) Ch ...