TM 10-3930-675-20-1
0008 00-29
ENGINE TPS AND IDLE VALIDATION SWITCH TROUBLESHOOTING - CONTINUED
0008 00
Table 5. Error Code 1551 - Idle Validation Switch Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1551 - Idle Validation Switch Circuit
Failure - Continued
6. Place ignition switch in OFF
position. Disconnect OEM
harness from engine ECU.
Disconnect throttle position
sensor 690 connector (X690).
a. Measure resistance from
pin 3 of OEM harness
connector to engine block
ground. Resistance should
be greater than 100k ohms.
If harness requires replacement,
notify SRA.
b. Measure resistance from
pin 13 of OEM harness
connector to engine block
ground. Resistance should
be greater than 100k ohms.
If harness requires replacement,
notify SRA.
USE TEST LEAD
>100K OHMS
KIT P/N 3822758
