Toyota Tundra. Manual — part 926

Fig. 38: Identifying A17 ECU Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

for LH

TESTER CONNECTION SPECIFIED CONDITION TABLE

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

8. INSPECT FRONT SPEED SENSOR (INPUT VOLTAGE)

a. Reconnect the A17 ECU connector.

b. Disconnect the B1 and B2 sensor connectors.

c. Turn the ignition switch to ON.

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

Standard Voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

Tester Connection

Condition

Specified Condition

A17-34 (FL+) - B2-2 (FL+)

Always

Below 1 ohms

A17-33 (FL-) - B2-1 (FL-)

A17-34 (FL+) - Body ground

Always

10 kohms or higher

A17-33 (FL-) - Body ground

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

Fig. 39: Identifying B1 And B2 Sensor Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE VSC ACTUATOR ASSEMBLY (See REMOVAL )

OK: Go to next step

9. RECONFIRM DTC

a. Clear the DTC (s) (See DTC CHECK/CLEAR ).

b. Start the engine.

c. Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 60 seconds.

d. Check if the same DTC (s) is output (See DTC CHECK/CLEAR ).

Result

RESULT TABLE

B: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH
TROUBLESHOOTING )

A: Go to next step

10. REPLACE FRONT SPEED SENSOR

a. Replace the front speed sensor (See REMOVAL ).

11. RECONFIRM DTC

a. Clear the DTC (s) (See DTC CHECK/CLEAR ).

b. Start the engine.

Tester Connection

Switch Condition

Specified Condition

B1-2 (FR+) - Body ground

Ignition switch ON

5.5 to 20 V

B2-2 (FL+) - Body ground

Result

Proceed to

DTC is output

A

DTC is not output

B

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

c. Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 60 seconds.

d. Check if the same DTC (s) is output (See DTC CHECK/CLEAR ).

Result

RESULT TABLE

B: END

A: REPLACE VSC ACTUATOR ASSEMBLY (See REMOVAL )

DTC C0210/33, C0215/34, C1273/73, C1274/74, C1277/77, C1278/78, C1332/37, C1333/38: RIGHT REAR
WHEEL SPEED SENSOR SIGNAL; LEFT REAR WHEEL SPEED SENSOR SIGNAL; LOW
OUTPUT SIGNAL OF REAR SPEED SENSOR RH (TEST MODE DTC); LOW OUTPUT SIGNAL OF
REAR SPEED SENSOR LH (TEST MODE DTC); ABNORMAL CHANGE IN OUTPUT SIGNAL OF
REAR SPEED SENSOR RH (TEST MODE DTC); ABNORMAL CHANGE IN OUTPUT SIGNAL OF
REAR SPEED SENSOR LH (TEST MODE DTC); OPEN CIRCUIT IN RIGHT REAR WHEEL SPEED
SENSOR CIRCUIT; OPEN CIRCUIT IN LEFT REAR WHEEL SPEED SENSOR CIRCUIT

DESCRIPTION

Refer to DTC C0200/31 .

DTC DETECTION CONDITION TABLE

Result

Proceed to

DTC is output

A

DTC is not output

B

DTC Code

DTC Detection Condition

Trouble Area

C0210/33
C0215/34

When any of following conditions
detected:

1. When vehicle speed 15 km/h

(9 mph), wheel speed 6 km/h
(4 mph).

2. At vehicle speed of 45 km/h

(28 mph) or more, open in
sensor harness occurs
intermittently for 0.2 seconds
or more.

3. When vehicle speed between

10 km/h (6 mph) and 15
km/h (9 mph) for 3 minutes,
one wheel speed 0 km/h (0
mph).

4. Pressure reduction mode of



Rear speed sensor



Rear speed sensor circuit



Sensor installation



Foreign matter on sensor
rotor

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

HINT:



DTC C0210/33 and C1332/37 are for the rear speed sensor RH.



DTC C0215/34 and C1333/38 are for the rear speed sensor LH.

WIRING DIAGRAM

ABS system lasts for 28
seconds or more.

5. When vehicle driven at speed

of 20 km/h (12 mph) or
more, difference between
wheel speeds indicated by
two sensors occurs twice or
more for 30 seconds or more.

6. Foreign matter adheres to

sensor rotor.

C1273/73
C1274/74

Detected only during test mode.



Rear speed sensor



Rear speed sensor circuit



Sensor installation



Foreign matter on sensor
rotor

C1277/77
C1278/78

Detected only during test mode.



Rear speed sensor (open)



Rear speed sensor circuit
(open)

C1332/37
C1333/38

Open in rear speed sensor circuit
continues for 0.15 seconds or more.



Rear speed sensor (open)



Rear speed sensor circuit
(open)

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra