| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001L5FS |
| Model Year Start: 2020 | Model: Camry | Prod Date Range: [09/2019 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: Emergency Call Switch Illumination Circuit; 2020 - 2024 MY Camry [09/2019 - ] | ||
|
Emergency Call Switch Illumination Circuit |
WIRING DIAGRAM
w/ Sliding Roof
w/o Sliding Roof
CAUTION / NOTICE / HINT
NOTICE:
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Safety Connect System.
Click here
![2020 MY Camry [09/2019 - 10/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
- Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
|
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
w/ Sliding Roof |
A |
|
w/o Sliding Roof |
B |
| B |
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) POWER SOURCE) |
(a) Disconnect the K140 DCM (telematics transceiver) connector.
(b) Disconnect the V14 roof console box sub-assembly (manual (SOS) switch) connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
V14-13 (RRID) - Body Ground |
Engine switch on (IG) |
11 to 14 V |
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K140-3 (SIG-) - V14-16 (GND3) |
Always |
Below 1 Ω |
|
K140-3 (SIG-) or V14-16 (GND3) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Remove the roof console box sub-assembly (manual (SOS) switch). Click here
|
|
(b) Apply battery voltage to the connector and check that the roof console box assembly comes on.
OK:
|
Measurement Condition |
Condition |
Specified Condition |
|---|---|---|
|
Battery positive (+) → V14-13 (RRID) Battery negative (-) → V14-16 (GND3) |
Always |
Manual (SOS) switch illumination cones on |
| OK |
|
| NG |
|
|
4. |
CHECK HARNESS AND CONNECTOR (ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) POWER SOURCE) |
(a) Disconnect the K140 DCM (telematics transceiver) connector.
(b) Disconnect the V18 roof console box sub-assembly (manual (SOS) switch) connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
V18-9 (RRID) - Body Ground |
Engine switch on (IG) |
11 to 14 V |
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K140-3 (SIG-) - V18-12 (GND3) |
Always |
Below 1 Ω |
|
K140-3 (SIG-) or V18-12 (GND3) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Remove the roof console box sub-assembly (manual (SOS) switch). Click here
|
|
(b) Apply battery voltage to the connector and check that the roof console box assembly comes on.
OK:
|
Measurement Condition |
Condition |
Specified Condition |
|---|---|---|
|
Battery positive (+) → V18-9 (RRID) Battery negative (-) → V18-13 (GND3) |
Always |
Manual (SOS) switch illumination cones on |
| NG |
|
|
|
6. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
- The engine switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
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