Engine Room R/B

[tnalon]

Hello all

I have an 05 LC that has been having A/C probs. I have diagnosed it down to the magnetic clutch relay being the problem. I beleive this relay is located underneath the engine room j/b, but I am unfamiliar with the engine rooom R/B block, and no matter how many times i stare at the pictures in the service manual I cannot understand the location of these relays.

Anyone know how to access engine room r/b block in 05 LC??

 

[OregonLC]

How have you diagnosed it? Have you pulled the plug off the compressor and looked to see if it's getting signal when AC is selected? Is the freon pressure within spec? Not saying that the relay isn't the culprit, it would just be the first I've read hear.

From the FSM, it sounds like the relay is part of the main junction block just south of the battery. From pp AC-96.

MAGNETIC CLUTCH RELAY
INSPECTION
HINT:
The magnetic clutch relay is built in the engine room junction
block. Since the relay is constructed with a relay block that is in
the junction block as a unit, it is impossible to disconnect the
wire harness connecting with the relay block.
If the relay has a malfunction, replace it with the junction block
assembly wire harness together.
1. REMOVE ENGINE ROOM J/B
2. INSPECT MAGNETIC CLUTCH RELAY CONTINUITY