Subaru IMPREZA GD 2007 Series Manual page 3719

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
E: DTC 15
This DTC is detected when the cancel switch is pressed or problem relating to the cruise control command
switch occurs.
TROUBLE SYMPTOM:
• Cruise control cannot be set. (Cancelled immediately.)
• Cruise control cannot be released.
Refer to DTC 11 for diagnostic procedure. <Ref. to CC(ETC)(diag)-19, DTC 11, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
F: DTC 16
This DTC is detected when the ignition switch is turned OFF or problem relating to the ignition switch occurs.
TROUBLE SYMPTOM:
Cruise control cannot be set.
WIRING DIAGRAM:
BATTERY
NA : NON-TURBO MODEL
TB : TURBO MODEL
Step
1 CHECK IGNITION SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the ECM harness connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
Non-turbo model:
(B135) No. 27 (+) — Chassis ground (–):
Turbo model:
(B135) No. 19 (+) — Chassis ground (–):
IGNITION SWITCH
SBF-1 SBF-4
Is the voltage 10 V or more?
CC(ETC)(diag)-28
F/B No.11
1
8 9
20 21 22 23
28 29
ECM
B135
Check Yes
Check poor con-
tact of ECM con-
nector.
B135
2 3 4 5 6 7
10 11 12 13 14 15 16 17 18 19
24 25 26 27
30 31 32 33 34 35
CC-00504
No
• Check fuse No.
11 (in fuse & relay
box).
• Check the har-
ness for open or
short circuit
between ignition
switch and ECM.