DIAGNOSIS SYSTEM
DESCRIPTION
(a) Seat heater system 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 troubleshooting.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Toyota CH-R Service Manual > Window Defogger System: System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitter
Receiver
Signal
Communication Method
Air Conditioning Control Assembly
Air Conditioning Amplifier Assembly
Rear window defogger switch signal
LIN
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Toyota CH-R Service Manual > Lighting System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA (for LED Headlight)
(a) Whenever a lighting system DTC is stored, the headlight ECU sub-assembly
LH stores the current vehicle state as freeze frame data.
CHECK FREEZE FRAME DATA (for LED Headlight)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignit ...