Sienna FWD V6-3.3L (3MZ-FE) (2006)
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Heater Control Valve Relay: Testing and Inspection
Heater Relay
ON-VEHICLE INSPECTION
1. INSPECT HEATER RELAY
a. Measure the resistance according to the value(s) shown in the table.
If the resistance is not as specified, replace the rear cooler relay.
