Park Assist Monitoring. Dtc C1684 Side Camera Current Malfunction

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200

Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - OUTER REAR VIEW MIRROR ASSEMBLY)

CHECK PARKING ASSIST ECU

REPLACE SIDE TELEVISION CAMERA ASSEMBLY

CHECK FOR DTC

DTC C1684 Side Camera Current Malfunction

DESCRIPTION

This DTC is stored if the parking assist ECU judges as a result of its self check that a synchronization problem is occurring in the image signal sent from the side television camera assembly to the parking assist ECU.

DTC Code

DTC Detection Condition

Trouble Area

C1684

Side Camera Current Malfunction

for LHD:

Harness or connector
Parking assist ECU
Side television camera assembly RH
Outer rear view mirror assembly RH

for RHD:

Harness or connector
Parking assist ECU
Side television camera assembly LH
Outer rear view mirror assembly LH

WIRING DIAGRAM

for LHD:

for RHD:

INSPECTION PROCEDURE

NOTICE:

When "!" mark is displayed on the multi-display after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point (Click here).
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the multi-terrain monitor system may be needed (Click here).

1.CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - OUTER REAR VIEW MIRROR ASSEMBLY)

Disconnect the F76 parking assist ECU connector.

Disconnect the I32*1 or I35 outer rear view mirror assembly connector.
1. *1: for LHD
2. *2: for RHD

Measure the resistance according to the value(s) in the table below.

Standard Resistance:

for LHD
Tester Connection	Condition	Specified Condition
F76-31 (SCB+) - I32-2 (DCB+)	Always	Below 1 Ω
F76-32 (SGND) - I32-13 (DCND)	Always	Below 1 Ω
F76-31 (SCB+) - Body ground	Always	10 kΩ or higher
F76-32 (SGND) - Body ground	Always	10 kΩ or higher

for RHD
Tester Connection	Condition	Specified Condition
F76-31 (SCB+) - I35-2 (SCB+)	Always	Below 1 Ω
F76-32 (SGND) - I35-13 (SCND)	Always	Below 1 Ω
F76-31 (SCB+) - Body ground	Always	10 kΩ or higher
F76-32 (SGND) - Body ground	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.CHECK PARKING ASSIST ECU

Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.
Dtc
C1684 Side Camera Current Malfunction

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
F76-32 (SGND) - Body ground
Always
Below 1 Ω

Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
Switch Condition
Specified Condition
F76-31 (SCB+) - F76-32 (SGND)
Engine switch on (IG)
5.5 to 7.05 V

Text in Illustration
*a	Component with harness connected (Parking Assist ECU)

REPLACE PARKING ASSIST ECU (Click here)

OK

3.REPLACE SIDE TELEVISION CAMERA ASSEMBLY

for LHD:
Replace the side television camera assembly RH with a new or normally functioning one (Click here).

for RHD:
Replace the side television camera assembly LH with a new or normally functioning one (Click here).

NEXT

4.CHECK FOR DTC

Clear the DTCs (Click here).

Check for DTCs (Click here).
OK:
DTC C1684 is not output.
Result
Result
Proceed to
OK
A
NG (for LHD)
B
NG (for RHD)
C

Result
Result	Proceed to
OK	A
NG (for LHD)	B
NG (for RHD)	C

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH (Click here)

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH (Click here)

END (SIDE TELEVISION CAMERA ASSEMBLY RH IS DEFECTIVE)

Tester Connection	Switch Condition	Specified Condition
F76-31 (SCB+) - F76-32 (SGND)	Engine switch on (IG)	5.5 to 7.05 V