Page 24 of 38
Table 7
Trouble Code C1 604(53)
Possible Cause Malfunction of ECU internal circuit
and valve coil
Note: If the malfunctions corresponding to
more than 2 trouble codes can be determined,
after the trouble codes are deleted (erasable
trouble codes), drive the vehicle to above
40km/h to determine the malfunctions to that
the trouble codes correspond and check in
accordance with the registered trouble codes
(determine the same one trouble code).
Troubleshooting
Flow
Confirm and check the grounding
status between the harness side
connector pin 8(-
grounding terminal.
Remove the harness side connector and measure
the resistance between the harness side connector
pin 8 (-) and ground
ing wire and between the pin
24 (-) and grounding wire