ON-VEHICLE 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 > Navigation System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Navigation System
DTC No.
Detection Item
Link
B1324
Lost Communication with Meter
B153A
GVIF Disconnected (from Extension Module to H/U)
...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Speaker Circuit
DESCRIPTION
If there is a short in a speaker circuit, the radio and display receiver assembly
detects it and stops output to the speakers.
Thus sound cannot be heard from the speakers even if there is no malfunction
in the radio and display receiver assembly, DCM (telematics transceiver)*1 or ...