Intake Air Heater Relay: Service and Repair

Fig. 35 Intake Manifold Air Heater Relays:

The relays are located in engine compartment, bolted to left inner fender below left battery (Fig. 35).

REMOVAL
The mounting bracket and both relays are replaced as an assembly.
1. Disconnect both negative battery cables at both batteries.
2. Disconnect four relay trigger wires at both relays (Fig. 35). Note position of wiring before removing.
3. Lift four rubber shields from all 4 cables (Fig. 35).
4. Remove four nuts at cable connectors. Note position of wiring before removing (Fig. 35).
5. Remove three relay mounting bracket bolts (Fig. 35) and remove relay assembly

INSTALLATION
1. Install relay assembly to inner fender. Tighten mounting bolts to 4.5 Nm (40 in. lbs.) torque.
2. Connect eight electrical connectors to relays.
3. Connect battery cables to both batteries.