Error Code: Ec-1; Failure Mode: Unload Solenoid Open Circuit Or Load Short Abnormality - Toyota 8FGU15 Repair Manual

8 TROUBLESHOOTING

Error Code: EC-1

Failure mode: Unload solenoid open circuit or load short abnormality

CAUTION
In case of EMRV model, set "FLS" to "YES" at option set screen of the multifunction display or dia-
gnostic program (SST).
Probable cause
▪ Connector contact defect
▪ Harness defect
▪ Unload solenoid defect
▪ SAS/OPS ECU defect
Related portion
SAS/OPS
ECU
STEP1
Judgment
Result
Error
No error
A20
5 (USOL)
9 (E02)
8 (E01)
1. Disconnect the battery negative terminal.
2. After inspecting and correcting disconnection and water
3. Turn the ignition key switch ON (start the engine) and check
Go to STEP2 [page 196]..
Connector contact defect
entry of A12 and A20, reconnect all connectors and the bat-
tery negative terminal.
whether or not there is an error.
Check whether an error occurs after turning the ignition key
switch ON and moving the life lever upward (for at least 2
seconds).
Procedure
8-195
A12
1
Unload
2
solenoid
8