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Diagnostic Manual, Info./Comm., Volume 1

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LOCATION:    1.13 Instrument Cluster (IC)    >   27 Electrical Test Program - Test


Electrical Test Program - Test

Test scope Test connection Test condition Nominal value Possible cause/Remedy
1.0 Instrument cluster (A1)
Voltage supply
Circuit 30

3
(1A.3)

12
(1A.12)
A1




11
(1A.11)

11
(1A.11)
Ignition: OFF
Remove instrument cluster (A1)
Disconnect connector 1
(30-pole)
11 - 14 V Fuse 34 in fuse and relay box (F1),
Wiring,
1.1
1.1 Voltage supply
Circuit 15

3
(1A.3)
A1

9
(1A.9)
Ignition: ON 11 - 14 V Fuse 37 in fuse and relay box (F1),
Wiring,
A1
2.0 HHT interface
Connection between A1 and data link connector (X11/4)

15
X11/4


11
(1B.11)
Ignition: OFF
Remove A1,
Disconnect connector 1
(30-pole)

5

Wiring.
3.0 ECL and windshield washer level:
ECL level switch (S41), windshield washer level switch (S42) and wiring

12
(1B.12)
A1

4
(1B.4)
Ignition: OFF
Coolant level and windshield washer fluid level: OK
Remove instrument cluster (A1)
Disconnect connector 1 (30 pole).
233 - 297

Wiring
3.1
Values O.K.:
A1
3.1 ECL switch (S41)
1
S41

2
Ignition: OFF
Remove expansion tank
Disconnect connector at S41 (refer to 21 /14 for component location).
Coolant level OK
102 - 120

S41
Values O.K.:
3.2
3.2 Windshield washer fluid level switch (S42)
1
S42

2
Ignition: OFF
Disconnect connector at S42 (refer to 21 /14 for component location).
Washer fluid level OK
145 - 185


S42