Probably heard it before but... Rear Anti Lock...
10-14-2011, 04:58 AM
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Probably heard it before but... Rear Anti Lock...
Just what exactly does it mean? And what can I do, besides taking it to a dealer, to get the light to turn off? (but also solve the problem 
)
94 4runner
)94 4runner
10-14-2011, 12:19 PM
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Off the top of my head... 
DIAGNOSIS SYSTEM
DIAGNOSIS SYSTEM
DESCRIPTION
If a functional malfunction occurs, diagnosis system will
identify the problem and ECU stores the codes for the
trouble items.
At the same time, the system informs the driver of a
malfunction via the ”REAR ANTILOCK” warning light in
the combination meter.
By turning on the ignition switch and disconnecting the service
connector, the trouble can be identified by the number of
blinks (diagnostic trouble code) of the warning light.
In event of 2 codes, that having the smallest number
(code) will be identified 1 st.
HINT: The warning light does not show the diagnostic
trouble codes while the vehicle is running.
identify the problem and ECU stores the codes for the
trouble items.
At the same time, the system informs the driver of a
malfunction via the ”REAR ANTILOCK” warning light in
the combination meter.
By turning on the ignition switch and disconnecting the service
connector, the trouble can be identified by the number of
blinks (diagnostic trouble code) of the warning light.
In event of 2 codes, that having the smallest number
(code) will be identified 1 st.
HINT: The warning light does not show the diagnostic
trouble codes while the vehicle is running.
DIAGNOSIS SYSTEM INSPECTION
1. INSPECT BATTERY POSITIVE VOLTAGE
Inspect that the battery positive voltage is 10
−14V.
2. CHECK THAT WARNING LIGHT TURNS ON
(a) Turn the ignition switch to ON.
(b) Check that the ”REAR ANTI LOCK” warning light turns
on for about 3 seconds.
If not, inspect and repair or replace the fuse, bulb and
wire harness.
(b) Check that the ”REAR ANTI LOCK” warning light turns
on for about 3 seconds.
If not, inspect and repair or replace the fuse, bulb and
wire harness.
3. READ DIAGNOSTIC TROUBLE CODE
(a) Turn the ignition switch to ON.
(b) Disconnect the service connector.(second attached pic)
(b) Disconnect the service connector.(second attached pic)
(c) Using SST, connect the terminal Tc to E1 of the data
link connector 1.
SST 09843
link connector 1.
SST 09843
−18020
(d) In event of a malfunction, 4 seconds later the warning light will
begin to blink. Read the number of blinks.
(See DIAGNOSTIC TROUBLE CODE)
HINT: The 1 st number of blinks will equal the 1 st digit of a 2 digit
diagnostic trouble code. After a 1.5 seconds pause, the 2nd
number of blinks will equal the
2nd number of a 2 digit code. If there are 2 or more codes, there
will be a 2.5 seconds pause between each, and indication will
begin after 4.0 seconds pause from the smaller value and continue
in order to the larger value.
(e) If the system is operating normally (no malfunction), the warning
light will blink 2 times per second.
(f) Repair the malfunctioning parts.
(g) After the malfunctioning parts have been repaired, clear the
diagnostic trouble codes stored in the ECU.
(See page
begin to blink. Read the number of blinks.
(See DIAGNOSTIC TROUBLE CODE)
HINT: The 1 st number of blinks will equal the 1 st digit of a 2 digit
diagnostic trouble code. After a 1.5 seconds pause, the 2nd
number of blinks will equal the
2nd number of a 2 digit code. If there are 2 or more codes, there
will be a 2.5 seconds pause between each, and indication will
begin after 4.0 seconds pause from the smaller value and continue
in order to the larger value.
(e) If the system is operating normally (no malfunction), the warning
light will blink 2 times per second.
(f) Repair the malfunctioning parts.
(g) After the malfunctioning parts have been repaired, clear the
diagnostic trouble codes stored in the ECU.
(See page
BR−48)
HINT: If you disconnect the battery cable while repairing, all diagnostic
trouble codes in the ECU will erased.
(h) Disconnect the terminal Te from E1 of the data link connector 1.
W Connect the service connector.
(j) Turn the ignition switch to ON, and check that the
”REAR ANTILOCK” warning light goes off after the warning
light goes on for about 2 seconds.
HINT: If you disconnect the battery cable while repairing, all diagnostic
trouble codes in the ECU will erased.
(h) Disconnect the terminal Te from E1 of the data link connector 1.
W Connect the service connector.
(j) Turn the ignition switch to ON, and check that the
”REAR ANTILOCK” warning light goes off after the warning
light goes on for about 2 seconds.
DIAGNOSTIC TROUBLE CODES
CLEARING
CLEARING
CLEAR DIAGNOSTIC TROUBLE CODES
(a) Turn the ignition switch to ON.
(b) Disconnect the service connector.
HINT: Keep the vehicle stationary.
(b) Disconnect the service connector.
HINT: Keep the vehicle stationary.
(c) Using SST, connect the terminal Tc to E1 of the data
link connector 1.
SST 09843
link connector 1.
SST 09843
−18020
(d) Clear the diagnostic trouble codes stored in ECU by depressing
the brake pedal 8 or more times within 3 seconds.
HINT: Cancellation can also be done by removing the
REAR
the brake pedal 8 or more times within 3 seconds.
HINT: Cancellation can also be done by removing the
REAR
− ANTILOCK fuse, but in this case, other memory systems
will also be cancelled out.
(e) Check that the warning light shows the normal code.
If the warning light still shows the diagnostic trouble
codes, check the cause and repair or replace the
trouble parts, then clear the diagnostic trouble
codes again.
(f) Connect the service connector.
(g) Disconnect the terminal Te from E1 of the data link
connector 1.
will also be cancelled out.
(e) Check that the warning light shows the normal code.
If the warning light still shows the diagnostic trouble
codes, check the cause and repair or replace the
trouble parts, then clear the diagnostic trouble
codes again.
(f) Connect the service connector.
(g) Disconnect the terminal Te from E1 of the data link
connector 1.
Last edited by angrybob; 10-14-2011 at 12:23 PM.
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