Tucson AWD L4-2.4L (2010)
Relay Box: Testing and Inspection
Relay Box (Engine Compartment)
Inspection
1. Disconnect the negative (-) battery terminal.
2. Pull out the relay from the engine compartment relay box.
Power Relay (Type A)
Check for continuity between the terminals.
A : Blower relay
B : Horn relay
C : Cooling fan relay (Low)
D : Start relay
E : Burglar horn relay
F : Rear glass defogger relay
G : ATM relay
H : Windshield deicer relay
I : Cooling fan relay (High)
J : A/C relay
K : Fuel pump relay
1. There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2. There should be no continuity between the No.30 and No.87 terminals when power is disconnected.
Power Relay (Type B)
Check for continuity between the terminals.
A : Wiper relay (High)
B : Wiper relay (Low)
1. There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2. There should be continuity between the No.30 and No.87 terminals when power is disconnected.
