

Ignition system
System diagramDisassembly
Remove no. 1 Side defroster nozzle duct
Remove the 3 screws and duct.
Remove no. 2 Side defroster nozzle duct
Remove the 3 screws and duct.
Remove no. 1 Heater to register duct
Remove the screw and duct.
Remove no. 2 Heater to register duct
...
How to proceed with troubleshooting
Notice:
Dtcs for the can communication system are as
follows: u0073, u0100, u0105, u0121, u0122, u0123,
u0124, u0126, u0129, c1280, c1296, c1297, and
b1499.
Refer to the troubleshooting procedures of each
system if dtcs regarding the can communication
system are not output.
Turn th ...
Check for intermittent problems
Hint:
Inspect the vehicle's ecm using check mode. Intermittent
problems are easier to detect with the intelligent tester when
the ecm is in check mode. In check mode, the ecm uses 1
trip detection logic, which is more sensitive to malfunctions
than normal mode (default), which uses 2 trip detec ...