|
All values measured to ground unless otherwise noted
|
| Conn./Plug/Pin |
Pin Information |
Test Value |
Comments |
| A1 |
|
|
|
| 1.1 |
Circuit 15, unfused power input. |
12 VDC with ignition on. |
Feed from S2/1 via X12/1 |
| 1.2 |
Fuel reserve mode indicator signal input |
Ignition on 12 VDC |
|
| 1.3 |
ECL (A1e11) indicator signal input,switched to ground in low level mode. |
Ignition off.>20 kOhms with fluid level OK.<500 Ohms with low fluid level. |
|
| 1.4 |
Circuit 61e output, "Engine Running" recognition.Processed in ECM, feed from generator |
12 VDC with engine running.0 VDC with engine not running. |
Short protected, current decoupled from circ. 61 |
| 1.5 |
Circuit 15g, fused power input. |
12 VDC with ignition on. |
Feed from F1f10 via Z3/29 |
| 1.6 |
Circuit 58d output, "Dimmed Instrument Illumination" voltage. |
Varies up to 12 VDC, depending on setting of dimming value |
Short protected, current decoupled from circ. 58k |
| 1.7 |
pin not used |
|
|
| 1.8 |
Circuit 58k, input to "Electronic Dimming Control" |
12 VDC with exterior light on |
Feed from S1 |
| 1.9 |
VSS signal output, generated by L6/1, processed in IC and sent to other ECMs |
Ignition on, lift front of vehicle.Turn left front wheel > 1 rev/sec by hand > 3 VAC or with vehicle moving |
20 mph / 200 Hz35 mph / 330 Hzsquare wave |
| 1.10 |
Main ground to W1. |
Approx. 0 Ohms to ground. |
|
| 1.11 |
pin not used |
|
|
| 1.12 |
LF VSS input, generated by L6/1, processed in ABS systems |
Ignition on, lift front of vehicle.Turn left front wheel > 1 rev/sec by hand > 3 VAC or with vehicle moving |
20 mph / 200 Hz35 mph / 330 Hzsquare wave |
| 1.13 |
TNA signal input, short protected |
Engine at idle > 3 VAC |
|
| 1.14 |
Left turn signal indicator input |
12 VDC intermittent, with left turn signal on. |
Feed from N10 |
| 1.15 |
Circuit 61(D+) input from generator, used to turn charge warning light on (e5). |
12 VDC with generator turning. Lights A1e5 if no signal and ignition (circuit 15) is on. |
|
| 2.1 |
pin not used |
|
|
| 2.2 |
Brake fluid level indicator (A1e7) input,Ground signal in low level mode. S11 grounds this pin when the brake fluid level is low. |
Ignition off.>20 kOhms with fluid level OK.<5 Ohms with low fluid level. |
|
| 2.3 |
Outside temperature indicator (A1p4) input. |
Varies up to approx. 8 VDC depending on actual outside temperature.53 kOhms at approx. -30 °C,9.8 kOhms at approx. 0 °C,1 kOhms at approx. +50 °C. |
Feed from B14 (NTC) |
| 2.4 |
Engine oil pressure sensor signal input,controls oil pressure gauge (A1p3). |
Engine at idle speedGauge indication raises with engine RPM increasing.13 Ohms at approx. 0 bar, lamp will be lit150 Ohms at approx. 3 bar. |
Resist. substitution test, refer to Diag. Manual Info/Comm. 1 1.4 |
| 2.5 |
Fuel level signal input, controls A1p2. |
Varies up to approx. 8 VDC depending on actual fuel level (0V= max. / 8V=min).87±2 Ohms = empty48±3 Ohms = ½7±2 Ohms = full |
At approx. 6V or more lamp e4 will come on |
| 2.6 |
Fuel tank cap open signal input |
Engine at idle measure to pin 2.12cap open 12 VDCcap closed < 1 VDC after 18 min. |
|
| 2.7 |
Backrest lock reminder signal input |
Ignition on < 1VDC, reminder lamp on 12VDC, reminder lamp off |
|
| 2.8 |
Fuel consumption signal input |
Engine at idle , accelerate briefly > 0.5 VDC |
|
| 2.9 |
Low engine oil level idicator signal input |
Engine at idle> 5VDC with oil level ok A1e12 off< 1VDC with oil level low A1e12 on |
Feed from S43 |
| 2.10 |
Circuit 31e, sensors common ground. |
<5 Ohms to ground. |
|
| 2.11 |
Main ground to W1. |
Approx. 0 Ohms to ground. |
|
| 2.12 |
Circuit 30, power input. |
12 VDC at all times. |
Feed from F1f14 |
| 2.13 |
Right turn signal indicator input |
12 VDC intermittent, with right turn signal on. |
Feed from N10 |
| 2.14 |
Brake pad wear recognition signal input to A1e6, ground signal with pad worn at any wheel. |
Ignition on12 VDC when pads ok0 VDC with pads worn down |
Feed from traction system |
| 2.15 |
pin not used |
|
|
| 3A4.1 |
High beam signal indicator input. Feed from combination switch (S4) via Fuse F1f9 (circuit 56a) |
12 VDC with high beam headlamps on. |
See PE82(Exterior lighting) |
| 3A4.2 |
ECT gauge indication signal input |
Resistance substitution test. Ignition off.110 Ohms at approx. 60 °C,67 Ohms at approx. 80 °C,38 Ohms at approx. 100 °C. |
|
| 3A4.3 |
Windshield washer fluid level indicator (A1e13) signal input, switched to ground in low level mode. |
Ignition off.>20 kOhms with fluid level OK.<500 Ohms with low fluid level. |
|
| 3A4.4 |
Switched ground signal in case of exterior lamp failure. N7 grounds this pin if it detects a lamp failure. |
0 VDC when exterior lamp failure occurs.Approx. 12 VDC (via e14) under normal condition. |
Controls exterior light bulbs |
| 3B1 |
RB MIL signal input |
Ignition on < 1VDC, indicator lamp onengine at idle 12 VDC, indicator lamp off |
|
| 3C1 |
EA warning indication (EPC) signal input, activated when EA/CC/ISC problem occurs |
Ignition on 12 VDCengine at idle < 1 VDC |
|
| 4A1 |
ADS MIL signal inputwill be lit when system malfunction occurs |
Ignition on < 1VDC, indicator lamp onengine at idle 12 VDC, indicator lamp off |
ADS MIL (A1e27) |
| 4B2.1 |
SRS malfunction indicator, circuit 15R input. |
12 VDC with ignition on. |
Feed from F1f13 via Z3/7 |
| 4B2.2 |
SRS malfunction indicator, switched ground input |
0 VDC when SRS failure occurs.Approx. 12 VDC under normal condition. |
Feed from N2/2 |
| 4D2.1 |
Circuit 87 switched power output fro BM |
Ignition on 12 VDC |
|
| 4D2.2 |
Check engine MIL switched ground signal input |
Ignition on 12 VDC< 1 VDC when malfunction occurs |
|