TM 10-3930-675-20-1
0008 00-18
ENGINE TPS AND IDLE VALIDATION SWITCH TROUBLESHOOTING - CONTINUED
0008 00
Table 3. Error Code 1431 - Idle Validation Switch Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1431 - Idle Validation Switch Circuit
Failure - Continued
5. Place ignition switch in OFF
position
and
disconnect
harness from a sensor switch.
6. Measure resistance between
pin 2 and pin 3 of 690
connector (X690) with pedal
released
and
depressed.
Resistance should be greater
than 100k ohms.
If resistance is not as specified,
replace throttle position sensor
(WP 0061 00).
7. Place ignition switch to OFF
position and disconnect OEM
harness
connector
from
engine ECU.
a. Inspect harness connector
and engine ECU connector
for dirty, corroded, bent,
broken, pushed back, and
extended pins.
Clean and repair connector(s) as
required (WP 0111 00).
b. Check harness and engine
ECU for dirt or moisture in
or on connector and for
missing
or
damaged
connector seals.
Remove dirt and moisture from
connector. Replace missing or
damaged connector seals (WP
0111 00).
2,3
USE TEST LEAD
X690
1 OR
2 GN
3 BU
BK 6
RD 5
WH 4
>100K OHMS
KIT P/N 3822917
