Special tools and equipment
PrecautionsDTC “c60” (p0480): cooling fan relay
circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
Cooling fan relay signal is not input to ecm.
Cooling fan relay circuit open or short.
Ecm malfunction.
Wiring diagram
Troubleshooting
Caution
when using ...
Excva adjustment
Inspect the excva operation and adjust it if necessary
in the following steps:
Step 1
Set the excva to the adjustment position. Refer to
“excv cable removal and installation” (page 1k-
6).
Step 2
Turn the ignition switch off.
Turn the mode select switch off.
Turn the ...
Self-diagnostic procedures
Use of mode select switch
Note
do not disconnect the coupler from ecm,
battery cable from battery, ecm ground
wire from engine or main fuse before
confirming dtc (diagnostic trouble code)
stored in memory. Such disconnection
may erase memorized information in ec ...