Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When replacing the master cylinder solenoid, perform zero point CALIBRATION .

Check DTC (See DTC CHECK / CLEAR ).
CHECK:

Check DTCs.

RESULT:
DTC OUTPUT RESULT

DTC is not output A

DTC is output B
1. B : Repair circuit according to the output code (See DIAGNOSTIC TROUBLE CODE CHART ).
2. A : Go to next step.

Measure the voltage between master cylinder solenoid (skid control ECU terminal EXI) and body ground.

PREPARATION:

Disconnect the skid control ECU connector S29.

CHECK:

Turn the ignition switch to the ON position.
Measure the voltage according to the value(s) in the table below.

HINT:

Move the vehicle either a little forward or a little backward to engage L4 position.

Fig 1: Identifying Skid Control ECU Terminal EXI

OK:

SKID CONTROL ECU TERMINAL EXI VOLTAGE SPECIFICATIONS

Tester Connection	Switch Condition	Specified Condition
S29-27 (EXI) - Body ground	Touch select 2-4 switch ON (4WD)	Below 1 V
S29-27 (EXI) - Body ground	Touch select 2-4 switch OFF (2WD)	8 to 14 V

NG : Check and repair EXI circuit.
OK : Replace master cylinder solenoid (See DISASSEMBLY ).

DTC is not output	A
DTC is output	B