Mash Seventy - Page 129

Chapter 4 EI system diagnosis Section 4 EI system troubleshooting
4—34
“P0505” ISC SOLENOID RANGE ABNORMAL
DETECTED CONDITION POSSIBLE CAUSE
☞
To read the flash code,with the EFI diagnostic
instrument
●
ISC solenoid malfunction.
●
ISC solenoid’s step is out of the specified range.
●
ECU malfunction.
 INSPECTION
1)
Remove the fuel tank.
2)
Turn the ignition switch to the “OFF” position.
3)
Check the ISC solenoid coupler for loose or
poor contacts.
4)
Turn the ignition switch“ON”position to
check the ISC solenoid operation.
Is OK?
YES
● Gr/W, Gr/O, Gr/G or Gr/R
wire loose or
poor contacts on the ISC solenoid
coupler, or poor G13 (J1-13),
G12(J1-12) , G11(J1-11) or
G1(J1-1) connection of ECU coupler.
● If wire and connection are OK,
intermittent trouble or faulty ECU.
● Recheck each terminal and wire
harness for open circuit and poor
connection.
NO
Replace the ISC solenoid with a new one.
[When Ignition switch“OFF”]
[
When Ignition switch“ON”]
G1
G13 G12 G11
G1
G11 G13
G12