Suzuki GRAND VITARA JB416, Service Manual

Page: 241 / 474

ABS: 4E-18
Inspection
Step Action Yes No
1 1) Turn ignition switch to ON position.
Does ABS warning lamp come ON?
Go to Step 2. Go to Step 6.
2 1) Turn ignition switch to OFF position.
Are main fuses for ABS pump motor and ABS solenoid in
good condition?
Go to Step 3. Replace fuse and check
for short.
3 1) Disconnect ABS hydraulic unit / control module
connector.
2) Check for proper connection to ABS hydraulic unit /
control module connector at terminal “E03-7”.
3) If OK then turn ignition switch to ON position and
measure voltage between terminal “E03-7” and vehicle
body ground.
Is it 10 – 14 V?
Go to Step 4. “GRN/ORN” wire circuit
open.
4 1) Turn ignition switch to OFF position.
2) Check for proper connection to ABS hydraulic unit /
control module connector at terminals “E03-1” and “E03-
14”.
3) If OK then turn ignition switch to ON position and
measure voltage between each terminal of “E03-1”,
“E03-14” and vehicle body ground.
Are they 10 – 14 V?
Go to Step 5. “WHT/RED” and/or
“WHT/BLU” wire circuit
open.
5 1) Turn ignition switch to OFF position.
2) Check for proper connection to ABS hydraulic unit /
control module connector at terminals “E03-13” and
“E03-26”.
3) If OK, measure resistance between each terminal of
“E03-13”, “E03-26” and vehicle body ground.
Are resistance less than 2
Ω
?
Go to Step 6. Ground circuit for ABS
hydraulic unit / control
module open or high
resistance.
6 1) Check if communication is possible by trying
communication with other controller (ECM, TCM, BCM,
4WD control module or SDM).
Is it possible to communicate with other controller?
Go to Step 7. Repair open in common
section of serial data
circuit (“PPL/WHT” wire
circuit) used by all
controllers or short to
ground or power circuit
which has occurred
somewhere in serial
data circuit (“PPL/WHT”
wire circuit).
7 1) Turn ignition switch to ON position.
2) Measure voltage between terminal B of data link
connector and vehicle body ground.
Is voltage 10 – 12 V?
Go to step 8. Terminal B circuit open
or shorted to ground.
8 1) Turn ignition switch to OFF position.
2) Measure resistance between the following terminals;
• Terminal G of data link connector and vehicle body
ground.
• Terminal G1 of data link connector and vehicle body
ground.
Is each resistance 1
Ω
or less?
Go to step 9. Terminal G and/or G1
circuit open or high
resistance.