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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.5 ME - SFI (ME1.0)   >  24 Electrical Test Program - Ignition System Test


Electrical Test Program - Ignition System Test

Test scope Test connection
Test condition Nominal value Possible cause/Remedy
1.0 P 0 5 6 0
Engine control
module (N3/10)

Voltage supply
circuit 30


26
(1.26)
N3/10



35
(1.35)
Ignition: ON 11 - 14 V 1.1
1.1   Ground wire N3/10

26
(1.26)


39
(1.39)







X11/4
2



2
Ignition: ON 11 - 14 V Wiring,
Model 129
Ground (W27), module box
bracket.
Model 140
Output ground (W15), right
footwell.
Model 210
Electronic ground (W16/6), right component compartment,
1.2
1.2   Voltage supply
circuit 30

X11/4
1


N3/10

35
(1.35)
Ignition: ON 11 - 14 V Wire,
Model 129, 140 base module (N16/1) or fuse on base module,
Model 210 relay module (K40).
2.0 P 0 5 6 0
Engine control
module (N3/10)

Voltage supply
circuit 87M


38
(1.38)
N3/10



25
(1.25)
Ignition: ON 11 - 14 V 2.1
2.1   Electronics ground N3/10

38
(1.38)





X11/4
2
Ignition: ON 11 - 14 V Wiring,
Model 129, 140
Electronics ground (W15/1), right footwell,
Model 210
Electronics ground (W16/6), right component compartment,
2.2
2.2   Voltage supply
circuit 87

X11/4
1


N3/10

25
(1.25)
Ignition: ON


Ignition: OFF
11 - 14 V


< 1 V
Wiring,
Model 129, 140 base module (N16/1) or fuse on base module,
Model 210 relay module (K40).
3.0 P 0 5 6 0
Engine control
module (N3/10)

Voltage supply
circuit 87M


39
(1.39)
N3/10



36
(1.36)
Ignition: ON


Ignition: OFF
11 - 14 V


< 1 V
Wiring,
Model 129, 140 base module (N16/1) or fuse on base module,
Model 210 relay module (K40).
4.0   Ignition coil (T1/1)
Voltage supply


26
(1.26)
N3/10



83
(2.83)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
5.0   Ignition coil (T1/2)
Voltage supply


26
(1.26)
N3/10



117
(2.117)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
6.0   Ignition coil (T1/3)
Voltage supply



26
(1.26)
N3/10



115
(2.115)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
7.0   Ignition coil (T1/4)
Voltage supply



26
(1.26)

N3/10




85
(2.85)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
8.0   Ignition coil (T1/5)
Voltage supply


26
(1.26)
N3/10



84
(2.84)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
9.0   Ignition coil (T1/6)
Voltage supply



26
(1.26)
N3/10



94
(2.94)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
10.0   Ignition coil (T1/7)
Voltage supply


26
(1.26)
N3/10



116
(2.116)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
11.0   Ignition coil (T1/8)
Voltage supply



26
(1.26)
N3/10



95
(2.95)
Ignition: ON


Starter: Crank
11 - 14 V


> 10 V
Wiring.
Model 210, 129 as of 09/95 and Model 140 as of 06/96 fused as follows:
Model 129 fuse 34
Model 140 fuse 22
Model 210 fuse 19
12.0 P 0 3 3 5
CKP sensor (L5)

78
(2.78)




78
(2.78)
N3/10 2)



N3/10 3)



89
(2.89)




89
(2.89)
Starter: Crank


Engine: at Idle



Starter: Crank

Engine: at Idle
Signal, see
Figure 1 and 3.





> 2.5 V~

> 5 V~ 4)
12.1 ,
Teeth on starter ring gear.
12.1   Resistance of CKP sensor (L5)

78
(2.78)
N3/10



89
(2.89)
Ignition: OFF
Unplug connector 2 on engine control
module (N3/10).
700 - 1400 L5
13.0 P 0 3 4 1
Camshaft Hall-effect sensor (B6/1)
Hall-effect signal


87
(2.87)




66
(2.66)
N3/10 2)



N3/10 3)



66
(2.66)




25
(1.25)



Engine: at Idle




Engine: at Idle



Signal, see
Figure 2 and 3.



1.2 - 1.7 V
Value changes
13.1 ,
B6/1
13.1   Voltage supply to camshaft Hall-effect sensor (B6/1)
1
B6/1

3

Ignition: ON
Disconnect connector from Hall-effect sensor (B6/1) and test directly on sockets 1 and 3 of connector.
11 - 14 V Wiring.
14.0   Closing duration for ignition coil (T1/1)


83
(2.83)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
14.1 ,
N3/10
14.1   Rest current shut-off: T1/1


83
(2.83)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/1,
N3/10,

< 0.3 V: wire from T1/1 to N3/10,
> 0.6 V: T1/1.
15.0   Closing duration for ignition coil (T1/2)


117
(2.117)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
15.1 ,
N3/10
15.1   Rest current shut-off: T1/2


117
(2.117)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/2,
N3/10,

< 0.3 V: wire from T1/2 to N3/10,
> 0.6 V: T1/2
16.0   Closing duration for ignition coil (T1/3)


115
(2.115)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
16.1 ,
N3/10
16.1   Rest current shut-off: T1/3


115
(2.115)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/3,
N3/10,

< 0.3 V: wire from T1/3 to N3/10,
> 0.6 V: T1/3.
17.0   Closing duration for ignition coil (T1/4)


85
(2.85)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
17.1 ,
N3/10
17.1   Rest current shut-off: T1/4



85
(2.85)

N3/10




25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/4,
N3/10,

< 0.3 V: wire from T1/4 to N3/10,
> 0.6 V: T1/4
18.0   Closing duration for ignition coil (T1/5)


84
(2.84)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
18.1 ,
N3/10
18.1   Rest current shut-off: T1/5


84
(2.84)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/5,
N3/10,

< 0.3 V: wire from T1/5 to N3/10,
> 0.6 V: T1/5.
19.0   Closing duration for ignition coil (T1/6)


94
(2.94)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
19.1 ,
N3/10
19.1   Rest current shut-off: T1/6


94
(2.94)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/6,
N3/10,

< 0.3 V: wire from T1/6 to N3/10,
> 0.6 V: T1/6
20.0   Closing duration for ignition coil (T1/7)


116
(2.116)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
20.1 ,
N3/10
20.1   Rest current shut-off: T1/7


116 (2.116)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/7,
N3/10,

< 0.3 V: wire from T1/7 to N3/10,
> 0.6 V: T1/7
21.0   Closing duration for ignition coil (T1/8)


95
(2.95)
N3/10



25
(1.25)
Starter: Crank


Engine: at Idle
20 - 100 ms


2 - 4 ms
12.0 ,
21.1 ,
N3/10
21.1   Rest current shut-off: T1/8


95
(2.95)
N3/10



25
(1.25)
Ignition: ON


Starter: Crank
0 V


0.3 - 0.6 V
T1/8,
N3/10,

< 0.3 V: wire from T1/8 to N3/10,
> 0.6 V: T1/8
22.0 P 0 3 0 0
P 0 3 0 1
Primary voltage
Ignition coil (T1/1)


83
(2.83)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 22.1 ,
N3/10
22.1   Primary winding of T1/1 and T1/2


83
(2.83)
N3/10



117
(2.117)
Ignition: OFF


0.9 - 1.4 6) Wiring
T1/1 or T1/2
23.0 P 0 3 0 0
P 0 3 0 2
Primary voltage
Ignition coil (T1/2)


117
(2.117)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 23.1 ,
N3/10
23.1   Primary winding of T1/2 and T1/1


117 (2.117)
N3/10



83
(2.83)
Ignition: OFF

0.9 - 1.4 6) Wiring
T1/2 or T1/1
24.0 P 0 3 0 0
P 0 3 0 3
Primary voltage
Ignition coil (T1/3)


115 (2.115)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 24.1 ,
N3/10
24.1   Primary winding of T1/3 and T1/4


115
(2.115)
N3/10



85
(2.85)
Ignition: OFF

0.9 - 1.4 6) Wiring
T1/3 or T1/4
25.0 P 0 3 0 0
P 0 3 0 4
Primary voltage
Ignition coil (T1/4)


85
(2.85)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 25.1 ,
N3/10
25.1   Primary winding of T1/4 and T1/3


85
(2.85)
N3/10



115
(2.115)
Ignition: OFF
0.9 - 1.4 6) Wiring
T1/4 or T1/3
26.0 P 0 3 0 0
P 0 3 0 5
Primary voltage
Ignition coil (T1/5)


84
(2.84)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 26.1 ,
N3/10
26.1   Primary winding of T1/5 and T1/6


84
(2.84)
N3/10



94
(2.94)
Ignition: OFF

0.9 - 1.4 6) Wiring
T1/5 or T1/6
27.0 P 0 3 0 0
P 0 3 0 6
Primary voltage
Ignition coil (T1/6)


94
(2.94)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 27.1 ,
N3/10
27.1   Primary winding of T1/6 and T1/5


94
(2.94)
N3/10



84
(2.84)
Ignition: OFF

0.9 - 1.4 6) Wiring
T1/6 or T1/5
28.0 P 0 3 0 0
P 0 3 0 7
Primary voltage
Ignition coil (T1/7)


116
(2.116)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 28.1 ,
N3/10
28.1   Primary winding of T1/7 and T1/8


116
(2.116)
N3/10



95
(2.95)
Ignition: OFF

0.9 - 1.4 6) Wiring
T1/7 or T1/8
29.0 P 0 3 0 0
P 0 3 0 8
Primary voltage
Ignition coil (T1/8)


95
(2.95)
N3/10



25
(1.25)
Test connection Note:
Individual primary pattern Range 400 V
Duration 100%

Starter: Crank
200 - 350 V 29.1 ,
N3/10
29.1   Primary winding of T1/8 and T1/7


95
(2.95)
N3/10



116
(2.116)
Ignition: OFF

0.9 - 1.4 6) Wiring
T1/8 or T1/7
30.0 P 0 3 0 0
P 0 3 0 1
P 0 3 0 2
P 0 3 0 3
P 0 3 0 4
P 0 3 0 5
P 0 3 0 6
P 0 3 0 7
P 0 3 0 8
Firing voltage
Ignition coil (T1/1) to (T1/8)
 
Engine analyzer


Test connection Note:
Individual secondary pattern
Range 20 kV
Duration 100%
Connect kV pick-ups successively to T1/1 through T1/8.

Starter: Crank
8 - 20 kV 5) Spark plugs,
T1/1 to T1/8,
N3/10
2) Test with oscilloscope.
3) Test with multimeter only if oscilloscope is unavailable.
4) Voltage increases with increasing rpm.
5) The resistance of the secondary winding can not be measured due to an installed diode.
6) The resistance of a single coil is 0.5 - 0.7