Daihatsu 1997 Terios J100 Service Manual page 671

BR–68
TROUBLE SHOOTING PROCEDURE FLOW CHART NUMBER 7
PHENOMENA: Brake pedal working travel is too large. (Reserve travel is too small.)
1. Ensure that the ABS warning lamp is extinguished
three seconds after ignition switch is turned ON.
OK
2. Check diagnosis code.
(Refer to diagnosis code check.)
Normal code
3. Check that no reserve travel exists on brake pedal when brake pedal is depressed.
No reserve travel exists.
4. Perform unit check of brake actuator.
OK
5. Check master cylinder, wheel cylinders and P valve
including fluid leakage.
BASIC CHECK
To perform the diagnosis properly, be sure to perform the basic check before carrying out the specified in-
spection to ensure whether the power supply circuit and ground circuit of the ABS ECU are proper or not.
Back-up fuse
AM fuse
Battery
1. Ensure that the voltage applying to the ABS ECU is within the specified value, using a volt meter.
Specified voltage:
2. Connection of the SST
(1) Disconnect the negative terminal of the ground cable from the battery negative terminal.
CAUTION:
·
Be sure to read out the diagnosis code of the EFI system before disconnecting the negative terminal
of the ground cable from the battery negative terminal.
Reserve travel exists.
BAT
38
ECU IG fuse
+B
18
Ignition
switch
GND
19
40 GND
10 - 18 volts
BAD
Perform trouble shooting according to
trouble phenomenon.
Malfunction code
Perform trouble shooting according to
diagnosis code.
BAD
Replace brake actuator.
ABS ECU
JABS00065-00000
SST terminal
18 19
38 40
JABS00066-00030
JABS00067-00000