Subaru Impreza 2004 Service Manual page 155

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
BR:DTC P0703 TORQUE CONVERTER/BRAKE SWITCH "B" CIRCUIT
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
47, OPERATION.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-39, Inspection Mode.>.
• WIRING DIAGRAM:
B64 B65
1 2
1 2
3 4
Step
1 CHECK OPERATION OF BRAKE LIGHT.
BATTERY
BRAKE LIGHT
SWITCH
B55 TCM
B55
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
Does the brake light come on
when depressing the brake
pedal?
EN(H4DOTC)(diag)-234
:
OC
B64
B65 :
WC
E
Check
TO STOP LIGHTS
Yes
Go to step 2. Repair or replace
the brake light cir-
cuit.
EN-02568
No