DTC CHECK / CLEAR
NOTICE:
CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
HINT:
The steering lock system DTCs are output from the steering lock ECU (steering lock actuator or upper bracket assembly) via the certification ECU (smart key ECU assembly).
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
Body Electrical > Smart Key > Trouble Codes(f) Check for DTCs.
CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
Body Electrical > Smart Key > Clear DTCs(f) Clear the DTCs.
Toyota CH-R Service Manual > Can Communication System: Radio Receiver Assembly Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Radio Receiver Assembly Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Display and Navigation (AVN)" is indicated
on t ...
Toyota CH-R Service Manual > Navigation System: Microphone Circuit
DESCRIPTION
The radio and display receiver assembly, map light assembly and telephone microphone
assembly are connected to each other using the microphone connection detection signal
lines.
Using this circuit, the DCM (telematics transceiver) sends power to the map light
assembly and telepho ...