Toyota Camry (XV70): Power Source Circuit
DESCRIPTION
This circuit provides power to operate the blind spot monitor sensor.
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 (BLIND SPOT MONITOR SENSOR RH POWER SOURCE) |
(a) Disconnect the W5 blind spot monitor sensor RH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
W5-5 (BRB) - Body ground |
Engine switch on (IG) |
11 to 14 V |
|
W5-5 (BRB) - Body ground |
Engine switch off | Below 1 V |
| NG | .gif) | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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| 2. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
W5-10 (BRGD) - Body ground |
Always | Below 1 Ω |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 3. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH POWER SOURCE) |
(a) Disconnect the W6 blind spot monitor sensor LH connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
W6-5 (BLB) - Body ground |
Engine switch on (IG) |
11 to 14 V |
|
W6-5 (BLB) - Body ground |
Engine switch off | Below 1 V |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 4. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
W6-10 (BLGD) - Body ground |
Always | Below 1 Ω |
| OK | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Clearance Warning Buzzer
ComponentsCOMPONENTS ILLUSTRATION
*A for 7 Inch Display
*B for 9 Inch Display
*1 CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY
*2 CENTER INSTRUMENT CLUSTER FINI
Components
COMPONENTS ILLUSTRATION
*1 CLEARANCE WARNING ECU ASSEMBLY
*2 ECU INTEGRATION BOX RH
*3 LOWER INSTRUMENT PANEL SUB-ASSEMBLY
- -
N*m (kgf*cm, ft.*lbf
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT VSC OFF SWITCH
(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.
OK: The connector is securely connected.
*a Component without harness connected
(VSC OFF switch)
Extension Module Malfunction 2 (B1556)
DESCRIPTION These DTCs are stored when a malfunction occurs in the Navigation ECU.
DTC No. Detection Item
DTC Detection Condition Trouble Area
B1556 Extension Module Malfunction 2
When any of the following conditions is met:
Internal power supply malfunction
