ECVT - Trouble Code 25 Troubleshooting
90subaru03NUMBER 16-41-90
DATE 08-14-90
APPLICABILITY ALL 1989 ECVT JUSTY MODELS
SUBJECT: TROUBLE CODE 25 IN ECVT CONTROL UNIT
The following trouble shooting informtion is intended to supplement # G406BE 1989 Justy Service Manual.
This trouble code can be caused by an open or shorted circuit in the CFC control system or by a defective CFC solenoid.
INSPECTION PROCEDURE
Figure 1:
Figure 2:
TROUBLESHOOTING CHART A
1) Ignition switch off
2) Disconnect connector F75 from ECVT control unit.
3) Ignition svitch on
4) Measure voltage betveen terminal # 4 of connector F75 and body ground. It should measure approximately 12 volts. (See figure 2.)
Figure 3:
If this value is obtained, proceed to Troubleshooting Chart B. If it is not obtained, repair harness, connectors or fuse.
TROUBLESHOOTING CHART B
1) Ignition switch off
2) Disconnect CFC solenoid connector F21 from the engine harness.
3) Measure the resistance between terminal 2 (black wire) and terminal 6 (red wire) of the solenoid side of the F21 connector, (see figure 3).. This value should be between 10 to 100