Page 1385 of 4500
Fig. 174: Disconnecting CAN Main Bus Line Connector (J49) From LUG-CAN J/C A Side
(W/Earth Terminal)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the CAN main bus line connector (J49) from the LUG-CAN J/C A side (w/earth
terminal).
Page 1386 of 4500
Fig. 175: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: Go to step 34
NG: GO TO NEXT STEP
26.CONNECT CONNECTOR
a. Reconnect the CAN main bus line connector (J49) to the LUG-CAN J/C A side (w/earth terminal).
27.CHECK CAN BUS LINE FOR SHORT TO +B (DISTANCE CONTROL ECU SUB BUS LINE)
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
Page 1387 of 4500
Fig. 176: Disconnecting Distance Control ECU Sub Bus Line Connector (J48) From P-CAN J/C B
Side (W/O Earth Terminal)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the distance control ECU sub bus line connector (J48) from the P-CAN J/C B side (w/o
earth terminal).
Page 1388 of 4500
Fig. 177: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: Go to step 30
NG: GO TO NEXT STEP
28.CONNECT CONNECTOR
a. Reconnect the distance control ECU sub bus line connector (J48) to the P-CAN J/C B side (w/o
earth terminal).
29.CHECK CAN BUS LINE FOR SHORT TO +B (YAW RATE SENSOR SUB BUS LINE)
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
Page 1389 of 4500
Fig. 178: Disconnecting Yaw Rate Sensor Sub Bus Line Connector (J44) From P-CAN J/C A Side
(W/Earth Terminal)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the yaw rate sensor sub bus line connector (J44) from the P-CAN J/C A side (w/earth
terminal).
Page 1390 of 4500
Fig. 179: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: Go to step 32
NG: REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (P-CAN J/C - LUG-CAN
J/C)
30.CONNECT CONNECTOR
a. Reconnect the distance control ECU sub bus line connector (J48) to the P-CAN J/C B side (w/earth
terminal).
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
Page 1391 of 4500
31.CHECK CAN BUS LINE FOR SHORT TO +B (DISTANCE CONTROL ECU SUB BUS LINE)
Fig. 180: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the distance control ECU connector (D2).
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
NG: REPAIR OR REPLACE DISTANCE CONTROL ECU SUB BUS LINE OR CONNECTOR
(CAN-H, CAN-L)
OK: REPLACE DISTANCE CONTROL ECU ASSY (SEE REPLACEMENT
)
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
Page 1392 of 4500
32.CONNECT CONNECTOR
a. Reconnect the yaw rate sensor sub bus line connector (J44) to the P-CAN J/C A side (w/earth
terminal).
33.CHECK CAN BUS LINE FOR SHORT TO +B (YAW RATE SENSOR SUB BUS LINE)
Fig. 181: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the yaw rate sensor connector (Y1).
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: REPLACE YAW RATE SENSOR (SEE REPLACEMENT
)
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more