INSPECTION
PROCEDURE
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
(a) Check the wire harness.
(1) Disconnect the automatic light control sensor (G1).
(2) Measure the voltage according to the value(s) in the table below. Standard Voltage:
If the specified condition is not met, replace the vehicle wire harness. |
|
(b) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
G1-2(CLTE) - Body ground |
Always |
Below 1 Ω |
If the specified condition is not met, replace the vehicle wire harness.
(c) Check the automatic light control sensor.
(1) Connect the automatic light control sensor (G1).
(2) Check the waveform Use the oscilloscope and check the waveform in the terminal spaces. NOTICE: With the connector connected as is, check from the rear side of the connector. Standard:
If the specified condition is not met, replace the solar sensor. |
|
(3) Waveform
The communication waveform changes according to the surrounding brightness. |
|
Toyota CH-R Service Manual > Smart Key System(for Start Function): Operation Check
OPERATION CHECK
NOTICE:
Make sure that the smart key system (for Start Function) has not been canceled
before performing this inspection.
Click here
OPERATION DESCRIPTION
(a) Push-button start function:
(1) When the electrical key transmitter sub-assembly is in a vehicle interior
detecti ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Open in Front Passenger Side Electrical Antenna Circuit (B27A2)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the front door outside handle assembly RH (electrical key
antenna) at intervals of 0.25 seconds. For the front door outside handle assembly
RH (electrical key antenna) to detect w ...