SsangYong Korando II (1996-2006 year). Manual — part 232
SSAMGYONG MY2002
4A-6 HYDRAULIC BRAKES
Action
1. Turn the ignition ON.
2. Apply the parking brake.
Does the BRAKE warning lamp turn on?
Check fuse F30.
Is fuse F30 blown?
Check for a short circuit and repair it, if necessary.
Replace fuse F30.
1. Turn the ignition ON.
2. Check the voltage at F30.
Is the voltage equal to the specified value?
Repair the power supply to fuse F30.
Is the repair complete?
1. Disconnect terminal A1 of the instrument cluster.
2. Turn the ignition ON.
3. Use a voltmeter to check the voltage at terminal A1.
Is the voltage equal to the specified value?
Repair the open circuit between terminal A1 of the
instrument cluster and fuse F30.
Is the repair complete?
1. Reconnect terminal A1 of the instrument cluster.
Turn the ignition ON.
2. Use a voltmeter to backprobe terminal D10 of the
instrument cluster.
Is the voltage equal to the specified value?
1. Remove the BRAKE warning lamp from its socket.
2. Test the Brake warning lamp.
Is the BRAKEwarning lamp OK?
Replace the instrument cluster.
Is the repair complete?
Replace the BRAKE warning lamp.
Is the repair complete?
1. Disconnect terminal C10 of the STICS.
2. Connect a jumper wire between terminal C10 and
ground.
3. Turn the ignition ON.
Is the BRAKE warning lamp on?
Replace the STICS.
Is the repair complete?
1. Disconnect the STICS connector.
2. Connect a jump wire between terminal C19 and
ground.
3. Turn the ignition ON.
Is the BRAKE warning lamp on?
Replace the brake warning lamp switch.
Is the repair complete?
Repair the open circuit between the brake warning
lamp switch and terminal C19 of the STICS
BRAKE LAMP WARNING CIRCUIT (Cont’d)
Yes
Go To Step 31
Go To Step 17
System OK
Go To Step 20
System OK
Go To Step 22
System OK
Go To Step 26
Go To Step 24
System OK
System OK
Go To Step 27
System OK
Go To Step 29
System OK
System OK
NO
Go To Step 16
Go To Step 18
-
Go To Step 19
-
Go To Step 21
-
Go To Step 23
Go To Step 25
-
-
Go To Step 28
-
Go To Step 30
-
-
Step
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Value
-
-
-
11 - 14 v
-
11 - 14 v
-
11 - 14 v
-
-
-
-
-
-
-
-
HYDRAULIC BRAKES 4A-7
SSANGYONG MY2002
BRAKE LAMP WARNING CIRCUIT (Cont’d)
Action
1. Disconnect the brake fluid level switch.
2. Use an ohmmeter to check the resistance between
terminal 2 of the switch connector and ground.
Is the resistance equal to the specified value?
Repair the open circuit between ground and the brake
fluid level switch.
Is the repair complete?
Repair the open circuit between terminal 1 of the brake
fluid level switch and terminal D10 of the instrument
cluster.
Is the repair complete?
Yes
Go To Step 32
System OK
System OK
NO
Go To Step 33
-
-
Step
31
32
33
Value(s)
≈
0
Ω
-
-
SSAMGYONG MY2002
4A-8 HYDRAULIC BRAKES
YAD4A170
YAD4A180
LCRV (LOAD CONSCIOUS
REDUCING VALVE)
LCRV consists of sensing part and hydraulic control
part.
1. Sensing Part
It detects the changes of vehicle height caused
by vehicle load. It consists of load sensing spring
and control lever which change according to
vehicle load.
2. Hydraulic Control Part
It consists of valve stem devices which controls
hydraulic pressure according to load detected by
sensing part.
YAD4A190
4. Place alignment marks between the lock nut (b)
and adjusting screw (c) after the valve setting.
5. LCRV setting should be performed with unloaded
vehicle condition.
Setting Method
1. Install the connecting rod (a) to the No.1 hole.
2. Adjust the clearance “X” to be 0mm and tighten
the bolt (c) using the lock nut (b).
Installation Notice
Tightening Torque
14 - 18 N•m
(10 - 13 lb-ft)
3. Remove the connecting rod (a) from the No.1 hole
and reinstall it to the No.2 hole.
Installation Notice
Tightening Torque
14 - 18 N•m
(10 - 13 lb-ft)
HYDRAULIC BRAKES 4A-9
SSANGYONG MY2002
Inspection
When it occurs the malfunction in the LCRV, the sensor
spring, valve body assembly, rear axle or rear spring
may be replaced. For these replacement, the following
inspection should perform;
Symptom
Poor Braking Performance
Rear Wheels Lock Early
Possible Cause
Air in Brake System
Poor Adjustment of Sensor Spring
Damaged Sensor Spring
Fluid Leaking from LCRV
Poor Adjustment of Sensor Spring
Internal Fluid Leaking of LCRV
Action
Bleeding
Adjust
Replace
Replace
Adjust
Replace
Notice:
•
Fluid leaking from LCRV results from poor valve
open/close or sealing wear caused by the foreign
materials in the LCRV.
•
When you change or repair the LCRV, it may affect
the braking performance. Thus, ensure to use the
approved part.
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