Diagnostic Aids
- For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
- The following tables illustrate the COOL FAN LOW relay and COOL FAN HIGH relay terminal locations in the underhood fuse block:
DTC P0480 or P0481
| COOL FAN LOW Relay Terminal Identification | |
|---|---|
| Low Speed Cooling Fan Supply Voltage | Ignition 1 Voltage |
| Control | B+ Switch |
| Front of Vehicle | |
DTC P0480 or P0481
| COOL FAN HI Relay Terminal Identification | |
|---|---|
| High Speed Cooling Fan Supply Voltage | Ignition 1 Voltage |
| Control | B+ - Switch |
| Front of Vehicle | |