Overdrive and TCC off Command Signal Circuit Check

OVERDRIVE AND TCC OFF COMMAND SIGNAL CIRCUIT - DIAGNOSTIC CHART

Step	Action	Yes	No
1	Overdrive OFF command signal circuit check Disconnect connector from cruise control module with ignition switch OFF. Check for proper connection to cruise control module at terminal "E132-3". If OK, turn ignition switch ON. Check voltage between terminal "E132-3" and ground. Is it 10-14 V?	This signal circuit is OK.	Check "PNK/BLU" wire for open and short. If OK, substitute a known-good ECM (for H27 engine model) or PCM (for H25 engine model) and recheck.