Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part ...

Wireless Door Lock Tuner Circuit Malfunction (B1242)

DESCRIPTION The electrical key and TPMS receiver assembly is used to receive radio waves related to the entry functions of the electrical key transmitter sub-assembly. The certification ECU (smar ...

Other materials:

Toyota CH-R Service Manual > Can Communication System: Check Bus 5 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance ...

Toyota CH-R Service Manual > Smart Key System(for Entry Function): System Description
SYSTEM DESCRIPTION MULTI CHANNEL FUNCTION (a) The electrical key transmitter sub-assembly and electrical key and TPMS receiver assembly can operate on two different RF channels. When an electrical key transmitter sub-assembly is brought within an exterior detection area, key verification begin ...