DIAGNOSIS SYSTEM
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 ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Wireless Door Lock Diagnosis Mode.
Body Electrical > Main Body > 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 interior light output pattern.
(g) Check the diagnostic outputs when a door control transmitter assembly switch is pressed. The diagnostic outputs can be checked by the interior light patterns.
Result
|
Interior Light Output |
Suspected Area |
|---|---|
|
A |
Normal (No malfunction) |
|
B |
Register wireless code |
|
C |
Wave interference or malfunction of a related component |
Problem Symptoms Table
Terminals Of EcuToyota CH-R Service Manual > Can Communication System: Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance ...
Toyota CH-R Service Manual > Navigation System: Noise Occurs
PROCEDURE
1.
CHECK NOISE CONDITION
(a) Check from which direction the noise comes (front left or right, or rear
left or right).
OK:
The location of the noise source can be determined.
NG
GO TO STEP 3
OK
...