DTC U0265: Lost Communication with Parking Assist Monitor Module [10/2014 - 10/2015]: Procedure

1. Reconfirm DTCs.

   HINT: 

   If DTC U1002 is output from PM1 Gateway of the power management control ECU, this indicates a sub bus 11 malfunction. Troubleshoot for DTC U1002 and check for malfunctions in the sub bus 11.

   Result

   Result	Proceed to
   U1002 is not output from power management control ECU (Techstream display: PM1 Gateway)	A
   U1002 is output from power management control ECU (Techstream display: PM1 Gateway)	B

Result: 

B 

GO TO DIAGNOSIS PROCEDURE INDICATED BY OUTPUT DTC 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 10/2015] )

Result: 

A 

See step  2

1. Reconfirm DTCs.
2. Enter the following menus: Chassis / Advanced Parking Guidance/Parking Assist Monitor / Trouble Codes.

   Result

   Result	Proceed to
   C1621 is not output.	A
   C1621 is output.	B

Result: 

B 

GO TO DIAGNOSIS PROCEDURE INDICATED BY OUTPUT DTC 

(Refer to DTC C1621: Back Camera Power Supply Failure [10/2014 - ] )

Result: 

A 

See step  3

1. Turn the power switch off.
2. Disconnect the cable from the negative (-) auxiliary battery terminal.
3. Disconnect the O18 rear television camera assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O18-4 (CANH) - O18-1 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Rear Television Camera Assembly)

Result: 

OK 

REPLACE REAR TELEVISION CAMERA ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY)