Toyota CH-R Service Manual: Lost Communication with ECM (U0100-U0142,U0155)

Open in Ion Generator Circuit (B14B9)

DESCRIPTION The ion generator sub-assembly operates when both the ion generator switch and the blower switch are on. The air conditioning amplifier assembly sends a drive signal to the ion genera ...

Lost Communication with Front Panel LIN (B14B2)

DESCRIPTION The air conditioning control assembly communicates with the air conditioning amplifier assembly via LIN communication. If the LIN communication system malfunctions, the air conditionin ...

Other materials:

Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION The radio receiver assembly and map light assembly (telephone microphone assembly) are connected to each other using the microphone connection detection signal lines. Using this circuit, the radio receiver assembly sends power to the map light assembly (telephone microphone assembl ...

Toyota CH-R Service Manual > Window Defogger System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Inspect the fuses and relays related to this system before inspecting the suspected areas below. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms ar ...