TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 458 of 1205
TM 9-2320-387-24-l TRANSMISSION SYSTEM DIAGNOSTIC FLOWCHART TRANSMISSION LIGHT CIRCUIT 657A Check for >12V on pin 1 (wire 6578) of harness connector at trans check lamp. I NO Q n YES Y .Check for continuity on wire 657A from Jl pin U to pin 2 of harness connector at trans check lamp. Check pin j of Jl (wire 291 D) for >12V. NO ? Follow diagnostic procedure for pin j of Jl to obtain >12V on wire 291 D. Replace transmission check lamp (para. 4-41). 1 Does transmission check lamp light? 1 1 Gotopage2-402.1 2-406