DESCRIPTION
This is the power source circuit to operate the radio and display receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - POWER SOURCE) |
(a) Disconnect the F129 and F131 radio and display receiver assembly connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F129-1 (GND1) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F129-4 (+B1) - F129-1 (GND1) |
Always |
11 to 14 V |
F129-15 (ACC1) - F129-1 (GND1) |
Engine switch on (ACC) |
11 to 14 V |
F131-19 (IG) - F129-1 (GND1) |
Engine switch on (IG) |
11 to 14 V |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Occupant Classification System: Initialization
INITIALIZATION
DESCRIPTION
(a) Zero point of the occupant classification sensors may deviate in the following
situations. To ensure sensor accuracy, be sure to perform Zero Point Calibration.
The occupant detection ECU is replaced.
HINT:
As the zero point is not automatically store ...
Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC if the vehicle specifications
have not been stored in the ECU.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2451
Vehicle Specifica ...