Error Code 1551 - Idle Validation Switch Circuit Failure - Continued

Error Code 1551 - Idle Validation Switch Circuit Failure - Continued - TM-10-3930-675-20-1_219

Error Code 1551 - Idle Validation Switch Circuit Failure - Continued - TM-10-3930-675-20-1_221

TM-10-3930-675-20-1 Rough Terrain Container Handler (RTCH): RT 240; 53 000 Lb Capacity; 4x4 Manual
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TM 10-3930-675-20-1 0008 00-28 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 4. Place ignition switch to OFF position and disconnect OEM harness connector from engine ECU and disconnect harness from throttle position sensor 690 connector (X690). a. Inspect harness 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). 5. Place ignition switch to OFF position. Disconnect OEM harness connector from engine ECU. Disconnect sensor harness connector from engine ECU. a. Measure resistance from pin 3 of harness connector to all other pins in connector. Resistance should be greater than 100k ohms. If harness requires replacement, notify SRA. b. Measure resistance from pin 13 of harness connector to all other pins in connector. Resistance should be greater than 100k ohms. If harness requires replacement, notify SRA. >100K OHMS >100K OHMS USE TEST LEAD KIT P/N 3822758

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