DESCRIPTION This DTC is set
when the DCM (Telematics Transceiver) detects an open or short in the
manual (SOS) switch green indicator circuit of the manual (SOS) switch.
The manual (SOS) switch green indicator illuminates after the power
switch is turned on (IG). If the safety connect system is not active, the manual (SOS) switch green indicator will turn off.
If
the safety connect system is active, the manual (SOS) switch green
indicator will blink while communicating with the call center. |
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area | |
B1571 | Manual (SOS) Switch Green Indicator Malfunction |
Current for manual (SOS) switch green indicator reaches malfunction criteria for 10 seconds when power switch is on (IG). |
- Roof console box sub-assembly
- Wire harness or connector
- DCM (Telematics Transceiver)
| WIRING DIAGRAM w/o Sliding Roof
 w/ Sliding Roof
 CAUTION / NOTICE / HINT
HINT: Before
performing this diagnostic procedure, make sure to perform Health Check
and confirm that the DCM/VIN registration information is correct. Click here
 PROCEDURE
(a) Choose the model to be inspected.
| Result |
Proceed to | | w/ Sliding Roof |
A | | w/o Sliding Roof |
B |
| B |
 | GO TO STEP 11 |
|
A |
 | |
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on. (e) Clear the DTCs. Body Electrical > Telematics > Clear DTCs
(f) Recheck for DTCs. Body Electrical > Telematics > Trouble Codes
|
Result | Proceed to | |
DTC B1570, B1571 and B15C5 are output |
A | | DTC B1571 is output
(DTC B1570 and B15C5 are not output) |
B |
| B |
| GO TO STEP 6 |
|
A | |
| |
| 3. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (GREEN INDICATOR) |
| (a) Disconnect the O10 roof console box sub-assembly connector. |
 |
|
*a | Component without harness connected
(Roof Console Box Sub-assembly) | | |
(b) Connect 2 dry-cell batteries (1.5 V each) in series. (c)
Connect the positive (+) lead to terminal 11 (IND2) and the negative
(-) lead to terminal 16 (GND3) of the roof console box sub-assembly
connector. (d) Check if the illumination for the manual (SOS) switch green indicator comes on.
OK: Green indicator comes on.
| NG |
| REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY |
|
OK | |
| |
| 4. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX SUB-ASSEMBLY) |
(a) Disconnect the G9 DCM (Telematics Transceiver) connector. (b) Disconnect the O10 roof console box sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
G9-26 (SIG-) - O10-16 (GND3) |
Always | Below 1 Ω | |
G9-26 (SIG-) or O10-16 (GND3) - Body ground |
Always | 10 kΩ or higher | |
G9-12 (IND2) - O10-11 (IND2) |
Always | Below 1 Ω | |
G9-12 (IND2) or O10-11 (IND2) - Body ground |
Always | 10 kΩ or higher |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
OK | |
| |
| 5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) | (a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The power switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
| PERFORM DCM ACTIVATION |
| 6. |
CHECK ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH GREEN INDICATOR CONDITION) |
(a) Confirm the green indicator status after the power switch is turned on (IG).
Click here
|
Result | Proceed to | |
Green indicator remains off |
A | | Green indicator remains on |
B |
| B |
| GO TO STEP 10 |
|
A | |
| |
| 7. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (GREEN INDICATOR INPUT VOLTAGE) |
| (a) Remove the roof console box sub-assembly but do not disconnect the connectors.
Click here |
 |
|
*a | Component with harness connected
(Roof Console Box Sub-assembly) | | |
(b) Connect the positive lead of a voltmeter to terminal O10-11 (IND2), and the negative lead to terminal O10-16 (GND3).
(c) Measure the voltage. Standard: 1.0 to 8.5 V for 2 seconds after the power switch is turned on (IG) and red indicator has turned off.
0 V when the power switch is off.
| OK | |
REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY |
|
NG | |
| |
| 8. |
INSPECT DCM (TELEMATICS TRANSCEIVER) (GREEN INDICATOR OUTPUT VOLTAGE) |
| (a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors.
Click here |
 |
|
*a | Component with harness connected
(DCM (Telematics Transceiver)) | | |
(b) Connect the positive lead of a voltmeter to terminal G9-12 (IND2), and the negative lead to body ground.
(c) Measure the voltage. Standard: 1.0 to 8.5 V for 2 seconds after the power switch is turned on (IG) and red indicator has turned off.
0 V when the power switch is off.
| OK | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
NG | |
| |
| 9. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) |
| (a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors.
Click here | |
|
|
*a | Component with harness connected
(DCM (Telematics Transceiver)) | | |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
G9-12 (IND2) - Body ground |
Always | 10 kΩ or higher |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
OK | |
| |
| 10. |
REPLACE DCM (TELEMATICS TRANSCEIVER) | (a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The power switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
| PERFORM DCM ACTIVATION |
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on. (e) Clear the DTCs. Body Electrical > Telematics > Clear DTCs
(f) Recheck for DTCs. Body Electrical > Telematics > Trouble Codes
|
Result | Proceed to | |
DTC B1570, B1571 and B15C5 are output |
A | | DTC B1571 is output
(DTC B1570 and B15C5 are not output) |
B |
| B |
| GO TO STEP 15 |
|
A | |
| |
| 12. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (GREEN INDICATOR) |
| (a) Disconnect the O9 roof console box sub-assembly connector. |
 |
|
*a | Component without harness connected
(Roof Console Box Sub-assembly) | | |
(b) Connect 2 dry-cell batteries (1.5 V each) in series. (c)
Connect the positive (+) lead to terminal 8 (IND2) and the negative (-)
lead to terminal 12 (GND3) of the roof console box sub-assembly
connector. (d) Check if the illumination for the manual (SOS) switch green indicator comes on.
OK: Green indicator comes on.
| NG |
| REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY |
|
OK | |
| |
| 13. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX SUB-ASSEMBLY) |
(a) Disconnect the G9 DCM (Telematics Transceiver) connector. (b) Disconnect the O9 roof console box sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
G9-26 (SIG-) - O9-12 (GND3) |
Always | Below 1 Ω | |
G9-26 (SIG-) or O9-12 (GND3) - Body ground |
Always | 10 kΩ or higher | |
G9-12 (IND2) - O9-8 (IND2) |
Always | Below 1 Ω | |
G9-12 (IND2) or O9-8 (IND2) - Body ground |
Always | 10 kΩ or higher |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
OK | |
| |
| 14. |
REPLACE DCM (TELEMATICS TRANSCEIVER) | (a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The power switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
| PERFORM DCM ACTIVATION |
| 15. |
CHECK ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH GREEN INDICATOR CONDITION) |
(a) Confirm the green indicator status after the power switch is turned on (IG).
Click here
|
Result | Proceed to | |
Green indicator remains off |
A | | Green indicator remains on |
B |
| B |
| GO TO STEP 10 |
|
A | |
| |
| 16. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (GREEN INDICATOR INPUT VOLTAGE) |
| (a) Remove the roof console box sub-assembly but do not disconnect the connectors.
Click here |
 |
|
*a | Component with harness connected
(Roof Console Box Sub-assembly) | | |
(b) Connect the positive lead of a voltmeter to terminal O9-8 (IND2), and the negative lead to terminal O9-12 (GND3).
(c) Measure the voltage. Standard: 1.0 to 8.5 V for 2 seconds after the power switch is turned on (IG) and red indicator has turned off.
0 V when the power switch is off.
| OK | |
REPLACE ROOF CONSOLE BOX SUB-ASSEMBLY |
|
NG | |
| |
| 17. |
INSPECT DCM (TELEMATICS TRANSCEIVER) (GREEN INDICATOR OUTPUT VOLTAGE) |
| (a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors.
Click here | |
|
|
*a | Component with harness connected
(DCM (Telematics Transceiver)) | | |
(b) Connect the positive lead of a voltmeter to terminal G9-12 (IND2), and the negative lead to body ground.
(c) Measure the voltage. Standard: 1.0 to 8.5 V for 2 seconds after the power switch is turned on (IG) and red indicator has turned off.
0 V when the power switch is off.
| OK | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
NG | |
| |
| 18. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) |
| (a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors.
Click here | |
|
|
*a | Component with harness connected
(DCM (Telematics Transceiver)) | | |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
G9-12 (IND2) - Body ground |
Always | 10 kΩ or higher |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
OK | |
| |
| 19. |
REPLACE DCM (TELEMATICS TRANSCEIVER) | (a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The power switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
| PERFORM DCM ACTIVATION | | 
