TM 9--2350--292--20--1
0174 00--2
LOW BRAKE PRESSURE WARNING LIGHT DOES NOT LIGHT WHEN BRAKE
PRESSURE IS BELOW 450 PSI (OLD CONFIGURATION) OR 525 PSI (NEW
CONFIGURATION WITH BRAKE MODULATION) -- CONTINUED
0174 00
CONTINUED FROM STEP B
no
yes
Go to WP 0036 00
Step I.
C
no
yes
1. Disconnect lead 591 from low brake pressure
switch.
2. Place one multimeter lead on low brake
pressure switch lead 48 receptacle pin and
other lead in low brake pressure switch lead
591 receptacle socket. Check for continuity.
Replace low brake pres-
sure switch (WP 0378 00
or WP 0379 00). Verify
fault is corrected.
Repair (WP 0290 00) or
replace (WP 0328 00)
lead 48 of harness
4W155. Verify fault is
corrected.
Is continuity present?
D
1. Reconnect lead 48 to low brake pressure
switch.
2. Disconnect harness 4W618 P2 from harness
4W617 J1.
3. Place one multimeter lead on lead 591 low
brake pressure switch connector socket and
other lead in harness 4W618 P2 pin G. Check
for continuity.
no
yes
Repair (WP 0290 00) or
replace (WP 0331 00)
harness 4W618. Verify
fault is corrected.
Is continuity present?
Fault corrected.
CONTINUED FROM STEP A
END OF TASK