DIAGNOSIS SYSTEM
DESCRIPTION
(a) Smart key system (for Start Function) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Problem Symptoms Table
Terminals Of EcuToyota CH-R Service Manual > Horn System: Data List / Active Test
DATA LIST / ACTIVE TEST
PERFORM ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and
other items to be operated without removing any parts. This non-intrusive functional
inspection can be very useful because intermittent operation may be discovered ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 1 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 23 (CA1H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central
gateway ECU (network gateway ECU) and ...