Suzuki WagonR+ RB310 Service Manual page 2337

5E1-16 ANTILOCK BRAKE SYSTEM (ABS)
TABLE – D CODE (DTC) IS NOT OUTPUTTED EVEN WITH DIAGNOSIS SWITCH
TERMINAL CONNECTED TO GROUND.
CIRCUIT DESCRIPTION
When diagnosis switch terminal is connected to ground with ignition switch turned ON, the ABS control module
outputs diagnostic trouble code by flashing "ABS" warning lamp.
INSPECTION
STEP
1 Is it shorted diagnosis switch terminal and ground
terminal by service wire properly?
2 1) Disconnect service wire.
2) Disconnect ABS hydraulic unit/control module
connector.
3) Measure resistance between diagnosis switch
terminal and connector terminal "E20-12".
Is it infinite (∞)?
3 1) Measure resistance between ground terminal of
monitor coupler and body ground.
Is continuity indicated?
4 1) Check for proper connection to ABS hydraulic
unit/control module at terminal "E20-12".
2) If OK, then check "ABS" warning lamp circuit
referring to TABLE A and B.
Is it in good condition?
ACTION
1. "ABS" warning lamp in combination meter
2. ABS hydraulic unit / control module assembly
3. Diagnosis monitor coupler
3-1. Diagnosis switch terminal
3-2. Diagnosis ground terminal
4. ABS hydraulic unit / control module connector
YES
Go to Step 2. Connect service
wire securely.
"V/W" circuit open. Go to Step 3.
Go to Step 4. "B" circuit open or
poor connection.
Substitute a known- Repair "ABS"
good ABS hydraulic warning lamp circuit.
with/control module
assembly and
recheck.
4
NO