Toyota RM787U, Руководство по обслуживанию и ремонту

Страница: 243 / 1976

F13424
PMC
E2
DI-312
- DIAGNOSTICS ABS WITH EBD & BA & TRAC & VSC SYSTEM
466
Author: Date:
2001 SIENNA (RM787U)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in case of using the TOYOTA hand-held tester and start from step 2 in case
of not using the TOYOTA hand-held tester.
1 Check output value of the master cylinder pressure sensor.
PREPARATION:
(a)
Connect the TOYOTA hand-held tester to the DLC3.
(b) Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.
(c) Select the DATALIST mode on the TOYOTA hand-held tester.
CHECK:
Check that the brake fluid pressure value of the master cylinder pressure sensor displayed on the TOYOTA
hand-held tester is changing when depressing the brake pedal.
OK:
Brake fluid pressure value must be changing.
Voltage: 0.25 - 4.75 V
OK Go to step 4.
NG
2 Check master cylinder pressure sensor.
PREPARATION:
Install LSPV gauge to the front caliper bleeder plug portion, and
bleed the air from LSPV gauge.
SST 09709-29018
CHECK:
Start the engine and depress the brake pedal, then check the
relation between the fluid pressure and voltage of PMC and E2
terminals of the master cylinder pressure sensor with connector
still connected.
OK:
Front brake caliper fluid pressure Voltage
0 kPa (0 Kgf/cm
2
, 0 psi) 0.44 - 0.76 V
5,883 kPa (60 kgf/cm
2
, 853 psi) 1.34 - 1.66 V
11,768 kPa (120 kgf/cm
2
, 1,706 psi) 2.24 - 2.56 V
HINT:
Voltage between terminals VCM and E2: 4.7 - 5.3 V
NG Replace master cylinder pressure sensor.
OK