2001 TOYOTA SEQUOIA side step

F19145
Yaw Rate
(Deceleration)
Sensor
STS
DI±992
± DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
1186 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check voltage between terminal STS of brake pedal force switch and body
ground.
PREPARATION:
Disconnect the brake pedal force switch connector.
CHECK:
(a) Turn the ignition switch to the ON position.
(b) Measure the voltage between STS of brake pedal force
switch harness side connector and body ground.
OK:
Voltage: About 6 V
NG Go to step 3.
OK

F19749
Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
Earth Terminal
CANL L
J53
WCANH
DI±1088
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
1282 Author: Date:
2005 SEQUOIA (RM1146U)
2 Check CAN main bus line for disconnection (ECM ± Junction connector).
PREPARATION:
Disconnect the ECM main bus line connector (J53) from the
junction connector.
NOTICE:

Before disconnecting the connector, make a note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
J53±1 (CANH) ±
J53±2 (CANL)Ignition switch OFF108 to 132 W
NG Go to step 5.
OK
3 Connect the connector.
Reconnect the ECM main line connector (J53) to the junction connector.
NEXT

F19749
J55
R
W Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
CANL CANH
Earth Terminal
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
DI±1089
1283 Author: Date:
2005 SEQUOIA (RM1146U)
4 Check CAN main bus line for disconnection (Translate ECU ± Junction connec-
tor).
PREPARATION:
Disconnect the translate ECU main bus line connector (J55)
from the junction connector.
NOTICE:

Before disconnecting the connector, make a note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
J55±1 (CANH) ±
J55±2 (CANL)Ignition Switch OFF108 to 132 W
NG Go to step 7.
OK
Replace junction connector.
5 Connect the connector.
Reconnect the ECM main bus line connector (J53) to the junction connector.
NEXT

F19749
Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
J53
W L
Earth Terminal
12345678
9 10111213141516
F19737
DLC3:
D6CANH
CANL
DI±1094
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
1288 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check CAN bus lines for short circuit (ECM main bus line).
PREPARATION:
Disconnect the ECM main bus line connector (J53) from the
junction connector.
NOTICE:

Before disconnecting the connector, make a note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
D6±6 (CANH) ±
D6±14 (CANL)Ignition Switch OFF108 to 132 W
OK Go to step 8.
NG
4 Connect the connector.
Reconnect the ECM main bus line connector (J53) to the junction connector.
NEXT

F19749
Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
J55
W R
Earth Terminal
12345678
9 10111213141516
F19737
DLC3:
D6CANH
CANL
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
DI±1095
1289 Author: Date:
2005 SEQUOIA (RM1146U)
5 Check CAN bus lines for short circuit (Translate ECU main bus line).
PREPARATION:
Disconnect the translate ECU main bus line connector (J55)
from the junction connector.
NOTICE:

Before disconnecting the connector, make note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
D6±6 (CANH) ±
D6±14 (CANL)Ignition Switch OFF108 to 132 W
OK Go to step 10.
NG
6 Connect the connector.
Reconnect the translate ECU main bus line connector (J55) to the junction connector.
NEXT

F19749
Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
J56
W G
Earth Terminal
12345678
9 10111213141516
F19737
DLC3:
D6CANH
CANL
DI±1096
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
1290 Author: Date:
2005 SEQUOIA (RM1146U)
7 Check CAN bus lines for short circuit (Suspension control ECU sub bus line).
HINT:
For vehicles without an enhanced air suspension system, go to
NG.
PREPARATION:
Disconnect the suspension control ECU sub bus line connector
(J56) from the junction connector.
NOTICE:

Before disconnecting the connector, make a note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
D6±6 (CANH) ±
D6±14 (CANL)Ignition Switch OFF54 to 69 W
OK Go to step 12.
NG
Replace junction connector.
8 Connect the connector.
Reconnect the ECM main bus line connector (J53) to the junction connector.
NEXT

F19749
Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
J53
W L
Earth Terminal
12345678
9 10111213141516
F19737
DLC3:
D6CANH
CANLCG
DI±1102
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
1296 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check CAN bus line for short to GND (ECM main bus line).
PREPARATION:
Disconnect the ECM main bus line connector (J53) from the
junction connector.
NOTICE:

Before disconnecting the connector, make a note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
D6±4 (CG) ±
D6±6 (CANH)Ignition Switch OFF3 kW or higher
D6±4 (CG) ±
D6±14 (CANL)Ignition Switch OFF3 kW or higher
OK Go to step 8.
NG
4 Connect the connector.
Reconnect the ECM main bus line connector (J53) to the junction connector.
NEXT

F19749
Junction Connector ºAº Side
(w/ Earth Terminal)
Wire Harness View:
J55
W R
Earth Terminal
12345678
9 10111213141516
F19737
DLC3:
D6CANH
CANLCG
± DIAGNOSTICSCAN COMMUNICATION SYSTEM
DI±1103
1297 Author: Date:
2005 SEQUOIA (RM1146U)
5 Check CAN bus line for short to GND (Translate ECU main bus line).
HINT:
For vehicles without an enhanced air suspension system, go to
step 11.
PREPARATION:
Disconnect the translate ECU main bus line connector (J55)
from the junction connector.
NOTICE:

Before disconnecting the connector, make a note of
where it is connected.

Reconnect the connector to its original position.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified value
D6±4 (CG) ±
D6±6 (CANH)Ignition Switch OFF3 kW or higher
D6±4 (CG) ±
D6±14 (CANL)Ignition Switch OFF3 kW or higher
OK Go to step 10.
NG
6 Connect the connector.
Reconnect the translate ECU main bus line connector (J55) to the junction connector.
NEXT