Toyota CH-R Service Manual: Navigation Processor Malfunction (B15AD)

• A communication malfunction DTC may be stored.
• The navigation ECU may not operate normally.

GPS Antenna Connection Malfunction(short) (B15C0,B15C1)

DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation antenna assembly. DTC No. Detection Item DTC Detection Condition Trouble Are ...

AV Signal Stoppage (Low Battery Voltage) (B158F)

DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily. DTC No. ...

Other materials:

Toyota CH-R Service Manual > Wireless Door Lock Control System(w/o Smart Key System): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating properly. Check the power door lock control system first before troubleshooting the wireless door lock co ...

Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as wh ...