DESCRIPTION
This circuit is used to send and receive signals between the DCM (Telematics Transceiver) and radio and display receiver assembly.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result |
Proceed to |
---|---|
w/ Navigation System |
A |
w/o Navigation System |
B |
B |
GO TO STEP 5 |
|
2. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - NO. 1 NAVIGATION WIRE) |
(a) Disconnect the F140 No. 1 Navigation Wire connector.
(b) Disconnect the F133 DCM (Telematics Transceiver) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F133-2 (USB+) - F140-1 |
Always |
Below 1 Ω |
F133-1 (USB-) -F140-2 |
Always |
Below 1 Ω |
F133-6 (USBS) - F140-3 |
Always |
Below 1 Ω |
F133-2 (USB+) or F140-1 - Body ground |
Always |
10 kΩ or higher |
F133-1 (USB-) or F140-2 - Body ground |
Always |
10 kΩ or higher |
F133-6 (USBS) or F140-3 - Body ground |
Always |
10 kΩ or higher |
NG |
REPLACE NO. 1 NAVIGATION WIRE |
|
3. |
INSPECT NAVIGATION WIRE |
(a) Disconnect the G no. 1 navigation wire connector.
(b) Disconnect the H navigation ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
G-1 -H-1 (USB+) |
Always |
Below 1 Ω |
G-2 - H-2 (USB-) |
Always |
Below 1 Ω |
G-3 - H-3 (USBS) |
Always |
Below 1 Ω |
G-1 or H-1 (USB+) - Body ground |
Always |
10 kΩ or higher |
G-2 or H-2 (USB-) - Body ground |
Always |
10 kΩ or higher |
G-3 or H-3 (USBS) - Body ground |
Always |
10 kΩ or higher |
*a |
Component without harness connected (No. 1 Navigation Wire) |
*a |
Component without harness connected (No. 1 Navigation Wire) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the F133 DCM (Telematics Transceiver) connector.
(b) Disconnect the F130 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F133-5 (USBV) - F130-10 (USBV) |
Always |
Below 1 Ω |
F133-3 (USBG) - F130-11 (USBG) |
Always |
Below 1 Ω |
F133-9 (VOR+) - F130-15 (VOT+) |
Always |
Below 1 Ω |
F133-8 (VOR-) - F130-16 (VOT-) |
Always |
Below 1 Ω |
F133-4 (VOT+) - F130-13 (VOR+) |
Always |
Below 1 Ω |
F133-7 (VOT-) - F130-14 (VOR-) |
Always |
Below 1 Ω |
F133-5 (USBV) or F130-10 (USBV) - Body ground |
Always |
10 kΩ or higher |
F133-3 (USBG) or F130-11 (USBG) - Body ground |
Always |
10 kΩ or higher |
F133-9 (VOR+) or F130-15 (VOT+) - Body ground |
Always |
10 kΩ or higher |
F133-8 (VOR-) or F130-16 (VOT-) - Body ground |
Always |
10 kΩ or higher |
F133-4 (VOT+) or F130-13 (VOR+) - Body ground |
Always |
10 kΩ or higher |
F133-7 (VOT-) or F130-14 (VOR-) - Body ground |
Always |
10 kΩ or higher |
F130-12 (SGND) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
5. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the F133 DCM (Telematics Transceiver) connector. |
|
(b) Disconnect the F130 and F136 radio and display receiver assembly connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F133-1 (USB-) - F136-2 (USB-) |
Always |
Below 1 Ω |
F133-2 (USB+) - F136-1 (USB+) |
Always |
Below 1 Ω |
F133-6 (USBS) - F136-3 (USBS) |
Always |
Below 1 Ω |
F133-3 (USBG) - F130-11 (USBG) |
Always |
Below 1 Ω |
F133-4 (VOT+) - F130-13 (VOR+) |
Always |
Below 1 Ω |
F133-5 (USBV) - F130-10 (USBV) |
Always |
Below 1 Ω |
F133-7 (VOT-) - F130-14 (VOR-) |
Always |
Below 1 Ω |
F133-8 (VOR-) - F130-16 (VOT-) |
Always |
Below 1 Ω |
F133-9 (VOR+) - F130-15 (VOT+) |
Always |
Below 1 Ω |
F133-1 (USB-) or F136-2 (USB-) - Body ground |
Always |
10 kΩ or higher |
F133-2 (USB+) or F136-1 (USB+) - Body ground |
Always |
10 kΩ or higher |
F133-6 (USBS) or F136-3 (USBS) - Body ground |
Always |
10 kΩ or higher |
F133-3 (USBG) or F130-11 (USBG) - Body ground |
Always |
10 kΩ or higher |
F133-4 (VOT+) or F130-13 (VOR+) - Body ground |
Always |
10 kΩ or higher |
F133-5 (USBV) or F130-10 (USBV) - Body ground |
Always |
10 kΩ or higher |
F133-7 (VOT-) or F130-14 (VOR-) - Body ground |
Always |
10 kΩ or higher |
F133-8 (VOR-) or F130-16 (VOT-) - Body ground |
Always |
10 kΩ or higher |
F133-9 (VOR+) or F130-15 (VOT+) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Automatic Sound Levelizer (ASL) built
into the radio receiver assembly.
The Automatic Sound Levelizer (ASL) function automatically adjusts the
audio system volume level in order to compensate for ...
Toyota CH-R Service Manual > Front Airbag Sensor: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE
1. INSTALL FRONT AIRBAG SENSOR
(a) Check that the ignition switch off.
(b) Check that the cable is disconnected from the negat ...