TM 10-3930-675-20-1
0008 00-17
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
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).
4. Place ignition switch to OFF
position. Disconnect harness
from sensor switch.
a. Measure
resistance
between pin 1 and pin 3 of
690 connector (X690) with
pedal released. Resistance
should be less than 125
ohms.
If resistance is not as specified,
replace throttle position sensor
(WP 0061 00).
b. Measure
resistance
between pin 1 and pin 2 of
690 connector (X690) with
pedal
depressed.
Resistance should be less
than 125 ohms.
If resistance is not as specified,
replace throttle position sensor
(WP 0061 00).
1,3
USE TEST LEAD KIT P/N 3822917
X690
1 OR
2 GN
3 BU
BK 6
RD 5
WH 4
<125 OHMS
<125 OHMS
1,2