Diagnostic Manual, Info./Comm., Volume 1
Electrical Test Program - Test Model
 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
Instrument cluster (A1)
Voltage supply
Terminal 30
|
3 
(A.3) |
A1
|
 11
(A.11) |
Ignition: OFF
Remove A1
Disconnect connector "A"
(18-pin) |
11 - 14 V |
Fuse 13 in fuse and relay box (F1),
Wiring,
Values O.K.:
1.1 |
| 1.1 |
Voltage supply
Terminal15, fused |
3
(A.3) |
A1
|
9
(A.9) |
Ignition: ON |
11 - 14 V |
Fuse 22 in fuse and relay box (F1),
Wiring,
Values O.K.:
1.2 |
| 1.2 |
Voltage supply
Terminal 15, fused |
3
(A.3) |
A1
|
7
(A.7) |
Ignition: ON |
11 - 14 V |
Fuse 10 in fuse and relay box (F1),
Wiring,
Values O.K.:
A1 |
| 2.0 |
HHT interface
Connection between A1 and data link connector (X11/4) |
X11/4
15
|
|
A1
11
(B.11) |
Ignition: OFF
Remove A1,
Disconnect connector "B"
(12-pin)
|
 5 
|
Wiring. |
| 3.0 |
CAN bus data lines
Resistance |
1
(B.9) |
A1
 |
10
(B.10) |
Ignition: OFF
Disconnect connector "B" (12-pole)
(N3/10 engine control modules is connected to CAN) |
around 120 |
CAN:  , 
N3/10
Values O.K.:
3.1 |
| 3.1 |
CAN bus data lines
Voltage Low-data line |
 |
|
A1
10
(B.10) |
Ignition: ON
|
around 2.3 V |
N3/10
Values O.K.:
3.2 |
| 3.2 |
CAN bus data lines
Voltage High-data line |
|
|
A1
9
(B.9) |
Ignition: ON
|
around 2.6 V |
N3/10 |
| 4.0 |
Instrument cluster (A1)
CAN bus data input resistance
|
9
(B.9) |
A1
|
10
(B.10) |
Ignition: OFF
Disconnect connector "B" (12-pole) |
around 120
|
A1
|
| 5.0 |
Steering lock switch (S97/1) |
|
A1
|
 14
(A.14) |
Ignition: OFF
Disconnect connector "A"
(18-pole)
steering locked
steering unlocked |
< 1
> 20 k |
Wiring
(S97/1) |
| 6.0 |
Engine coolant level (ECL) switch (S41)
As of 3.98
|
1
|
S41
 |
2
|
Ignition: OFF
Disconnect connector on S41 and connect resistance substitution unit.
Set resistance to 70k ,
Start engine, wait up to 1 minute.
Set resistance to 30k , wait up to 1 minute. |
ECL warning lamp (A1e11) comes on.
ECL warning lamp (A1e11) goes off
|
Values O.K.:
ECL switch (S41)
Values not O.K.:
Wiring to A1,
A1 |
|
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