Subaru IMPREZA GD 2007 Series Manual page 3066

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
B: CHECK REAR DIFFERENTIAL OIL TEMPERATURE SWITCH
DIAGNOSIS:
Input signal circuit of rear differential oil temperature switch is open or shorted.
TROUBLE SYMPTOM:
• Center differential remains free
• An oversteer tendency will become apparent.
• Rear differential oil temperature warning light becomes lit.
WIRING DIAGRAM:
R57
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20
1 2 3 4 5 6 7
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
DRIVER'S
CONTROL CENTER
DIFFERENTIAL
CONTROL MODULE
B380
B99
R3
R15
R57
R148
REAR DIFFERENTIAL
OIL TEMPERATURE
SWITCH
BRACKET GROUND
R159
R57
R15
E
B99
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
i10
8 9 10 11 12 13 14
6MT(diag)-31
COMBINATION
METER
i10
7
B36 i1
REAR DIFFERENTIAL
B380
1 2 3 4 5 6 7 8 9
1
10 11 12 13 14 15 16 17 18
5 6 7 8
19 20 21 22 23 24
11 12 13
17 18 19 20 21
23
i1
2 3 4
9 10
14 15 16
22
24 25 26 27 28
MT-01588