Flex AWD V6-3.5L (2009)
No
REMOVE the known good relay. GO to Z4.
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Z4 CHECK FOR VOLTAGE TO THE TRAILER TOW STOP/TURN RELAY COIL
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While applying the brake pedal, measure the voltage between the trailer tow LH stop/turn relay pin 1, circuit CLS18 (GY/BN), relay box face side
and ground; or between the trailer tow RH stop/turn relay pin 1, circuit CLS19 (VT/OG), relay box face side and ground.
-
Is the voltage greater than 10 volts?
Yes
GO to Z5.
No
REPAIR circuit CLS18 (GY/BN) (LH stop/turn) or circuit CLS19 (VT/OG) (RH stop/turn) for an open. TEST the system for normal operation.
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Z5 CHECK FOR VOLTAGE TO THE AUXILIARY RELAY BOX FUSE 2 (15A)
-
Measure the voltage between the auxiliary relay box fuse 2 (15A), circuit SBB30 (BN/RD), input side and ground.
-
Is the voltage greater than 10 volts?
Yes
GO to Z6.
No
REPAIR circuit SBB30 (BN/RD) for an open. TEST the system for normal operation.
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Z6 CHECK FOR VOLTAGE TO THE TRAILER TOW STOP/TURN RELAY SWITCH
-
Measure the voltage between the trailer tow LH stop/turn relay pin 3, circuit CB101 (BU), relay box face side and ground; or between the trailer
tow RH stop/turn relay pin 3, circuit CB101 (BU), relay box face side and ground.
