Diagnostic Manual, Info./Comm., Volume 1
Diagnosis - Complaint Related Diagnostic Chart
Instrument Cluster
| Complaint/Problem |
Possible cause |
Remedy/Test step 1) |
| Entire instrument cluster (A1) not functioning. |
Power supply,
Electronic circuit board.
|
 23  1.0 |
| Indicator lamps for ABS, ASR, charge control, brake pad wear, brake fluid, parking brake and ADS are not functioning. |
Power supply,
Electronic circuit board.
|
23 1.0 |
| Instrument cluster illumination not operating. |
Bulbs ( 23 Figure 6),
Exterior lamp switch (S1),
Electronic circuit board.
|
23 2.0 |
| Fuel tank gauge (A1p2) inaccurate or not operating. |
A1p2
Reference resistor ( 23 , Figures 7 and 8)
Fuel level sensor (B4)
|
23 3.0 |
| Fuel consumption gauge (A1p10) inaccurate or not operating. |
A1p10
Fuel consumption signal from LH-SFI, EDS
control module or engine control module (HFM-SFI)
|
23 4.0 |
| Oil pressure gauge with warning lamp (A1p3) inaccurate or not operating. |
A1p3
Oil pressure sensor (B5)
|
23 5.0 |
| Oil pressure gauge with warning lamp (A1p3) stays on continuously. |
Oil pressure sensor (B5)
Electronic circuit board
|
23 5.0
23 6.0 |
| Tachometer (A1p5) inaccurate or not operating. |
A1p5
TN-signal
|
23 7.0 |
| Oil level indicator lamp (A1e12) lights up but oil level is OK. |
Oil level switch (S43)
|
23 8.0 |
| Electronic speedometer (A1p8) inaccurate or not operating. |
Electronic circuit board 2)
A1p8
Vehicle speed signal from ABS or ASR control
module (N30 or N30/1)
|
23 9.0 |
| Outside temperature display (A1p4) inaccurate or not operating. |
Electronic circuit board 2)
A1p4
Outside temperature sensor (B14)
|
23 10.0 |
| ECT gauge (A1p1) inaccurate or not operating. |
A1p1
ECT sensor (B13)
|
23 11.0 |
1) Observe Preparation for Test, see 22 .
2) Verify that correct part number/version is installed. |
|
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