Test 21 - 25
TEST 21Check resistance of LH front inlet valve
Ohm-meter connected to ABS module connector terminals 3 and 20
Ignition OFF
^ Should be 3 5 ohms
If incorrect:
- Disconnect valve block and measure resistance between valve pins 5 and 7
- Check wiring from ABS module terminal 35 to pin 1 of valve block.
TEST 22
Check resistance of rear outlet valve
Ohm-meter connected to ABS module connector terminals 3 and 36
Ignition OFF
^ Should be 5 - 7 ohms
If incorrect:
- Disconnect valve block and measure resistance between valve pins 4 and 7
- Check wiring from ABS module terminal 33 to pin 4 of valve block
TEST 23
Check resistance of RH front outlet valve
Ohm-meter connected to ABS module connector terminals 3 and 21
Ignition OFF
^ Should be 5 - 7 ohms
If incorrect:
- Disconnect valve block and measure resistance between valve pins 5 and 7
- Check wiring from ABS module terminal 16 to pin 2 of valve block
TEST 24
Check resistance of LH front outlet valve
Ohm-meter connected to ABS module connector terminals 3 and 2
Ignition OFF
^ Should be 5 - 7 ohms
If incorrect:
- Disconnect valve block and measure resistance between valve pins 5 and 7
- Check wiring from ABS module terminal 34 to pin 5 of valve block
TEST 25
Inlet and outlet valve function
Bridge ABS module terminals 1,2 and 20
Ignition OFF
- Apply foot brake, LH front wheel should be locked
Switch ignition ON
- Road wheel must now rotate
- Brake pedal must not go to the floor
If an incorrect result is obtained:
- Renew valve block
- Check electric/hydraulic interconnection