Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 766
CC(diag)-25
Diagnostic Procedure with Cancel Code
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
T: 63
Malfunction of vehicle speed signal variation is detected.
TROUBLE SYMPTOM:
Cruise control cannot be set. (Cancelled immediately.)
Refer to DTC 22 for diagnostic procedure.
<Ref. to CC(diag)-23, 22, Diagnostic Procedure with Cancel Code.>
U: 64
Malfunction related to engine is detected.
Refer to the Engine Diagnostic Procedure for diagnostic procedure.
<Ref. to EN(H4DOTC)(diag)-2, PROCEDURE, Basic Diagnostic Procedure.>
V: 65
Cruise control command switch malfunction is detected.
While the command switch is pressed ON for a long time (approximately two minutes), stuck ON condition
is detected.
TROUBLE SYMPTOM:
• Cruise control cannot be set. (Cancelled immediately.)
• Cruise control cannot be released.
Refer to DTC 11 for diagnostic procedure. <Ref. to CC(diag)-14, 11, Diagnostic Procedure with Cancel
W: 66
Cruise control calculation malfunction is detected.
Refer to the Engine Diagnostic Procedure for diagnostic procedure.
<Ref. to EN(H4DOTC)(diag)-2, PROCEDURE, Basic Diagnostic Procedure.>
CC(diag)-26
Diagnostic Procedure with Cancel Code
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
IMMOBILIZER (DIAGNOSTICS)
IM(diag)
Page
Basic Diagnostic Procedure . . . . . . . . . . . . . . . . . ...2
General Description . . . . . . . . . . . . . . . . . . . . ...4
Electrical Component Location . . . . . . . . . . . . . . . . ..6
Immobilizer Control Module I/O Signal . . . . . . . . . . . . . ...7
Subaru Select Monitor . . . . . . . . . . . . . . . . . . . . 8
Read Diagnostic Trouble Code (DTC) . . . . . . . . . . . . . ...9
Clear Memory Mode . . . . . . . . . . . . . . . . . . . . .10
Diagnostics Chart for Security Indicator Light . . . . . . . . . . ..11
List of Diagnostic Trouble Code (DTC) . . . . . . . . . . . . . 14
Diagnostic Procedure with Diagnostic Trouble Code (DTC) . . . . . 15
IM(diag)-2
Basic Diagnostic Procedure
IMMOBILIZER (DIAGNOSTICS)
1. Basic Diagnostic Procedure
A: PROCEDURE
Step
Check
Yes
No
1
CHECK SECURITY INDICATOR LIGHT.
1) Turn the ignition switch to “OFF” or “ACC”.
2) Wait at least 60 seconds.
Does the security indicator light
blink?
2
CHECK KEY SWITCH.
Remove the key from ignition switch.
Does the security indicator light
begin to blink within 1 second
after the key is removed?
3
CHECK SECURITY INDICATOR LIGHT.
Turn the ignition switch to ON.
Does the security indicator light
go off?
4
CHECK ENGINE START.
Turn the ignition switch to START.
Does the starter operate?
Check the LAN
communication
system. <Ref. to
LAN(diag)-2, Basic
Diagnostic Proce-
dure.>
5
CHECK ENGINE START.
Turn the ignition switch to START.
Does the starter operate?
Check the LAN
communication
system. <Ref. to
LAN(diag)-2, Basic
Diagnostic Proce-
dure.>
6
CHECK ENGINE START.
Turn the ignition switch to START.
Does the engine start?
Immobilizer sys-
tem is normal.
7
CHECK DTC.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector. <Ref. to IM(diag)-8, Subaru
Select Monitor.>
3) Turn the ignition switch and Subaru Select
Monitor switch to ON.
4) Read the DTC of the body integrated unit.
Is the DTC displayed on
screen?
8
CHECK DTC.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector. <Ref. to IM(diag)-8, Subaru
Select Monitor.>
3) Turn the ignition switch and Subaru Select
Monitor switch to ON.
4) Read the DTC of the ECM.
Is the DTC displayed on
screen?
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