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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.3 ME - SFI (ME2.0)   >  25 Electrical Test Program - Electronic Accelerator (EA) Test


Electrical Test Program - Electronic Accelerator (EA) Test

WARNING!
Risk of severe injury when touching ignition parts which produce high voltages. Do not touch ignition components.
Persons with heart pacemakers are not to perform repairs on this type of ignition system.

Preparation for Test:

1. Review 11 , 21 , 22 entirely.
2. Readout DTC's in engine control module (N3/10), review 11
3. Ignition: OFF
4. Connect test cable with socket box to engine control module (N3/10), as per connection diagram (see section 0).

Test scope Test connection
Test condition Nominal value Possible cause/remedy
1.0 P 1 5 4 2
P 0 5 0 7
Pedal value sensor (B37)
Signal
Nominal value
potentiometer 1


15
(23C)
N3/10



16
(24C)
Ignition: ON
Accelerator pedal
position:
CTP
WOT with kick-down



0.2 - 0.5 V
4.3 - 4.8 V
1.1 ,
Wiring,
B37
1.1   Voltage supply
Nominal value
potentiometer 1
(Hall-sensor)


15
(23C)
N3/10



14
(22C)
Ignition: ON 4.75 - 5.25 V Wiring,
N3/10
2.0 P 1 5 4 2
P 0 5 0 7
Pedal value sensor (B37)
Signal
Nominal value
potentiometer 2


18
(26C)
N3/10



17
(25C)
Ignition: ON
Accelerator pedal
position:
CTP
WOT with kick-down



0.1 - 0.4 V
2.1 - 2.5 V
2.1 ,
Wiring,
B37
2.1   Voltage supply
Nominal value
potentiometer 2



18
(26C)
N3/10



19
(27C)
Ignition: ON 2.25 - 2.75 V Wiring,
N3/10
3.0 P 0 5 0 7
P 0 1 2 0
P 1 1 8 6
P 1 5 8 0
EA/CC/ISC actuator (M16/6)
Signal
Actual value potentiometer 1






Actual value potentiometer 2


88
(32E)






88
(32E)
N3/10





N3/10



87
(31E)






90
(34E)
Ignition: ON

Accelerator pedal
position:
CTP
WOT or kick-down



Accelerator pedal
position:
CTP
WOT or kick-down




4.0 - 4.6 V
< CTP value





0.3 - 0.9 V
> CTP value
3.1 ,
Wiring,
M16/6
3.1   Voltage supply
Actual value
potentiometers 1 and 2


88
(32E)
N3/10



89
(33E)
Ignition: ON 4.75 - 5.25 V Wiring,
N3/10
4.0 P 1 1 1 8 6
P 1 5 8 0
EA/CC/ISC actuator (M16/6)
Activation of actuator motor


105
(1F)
N3/10





106
(2F)
Ignition: ON

Engine: at Idle
ECT > 70 oC
0.8 - 2.3 V

1.0 - 2.5 V
Value oscillates.
Wiring,
M16/6,
N3/10
    Actuator motor resistance

105
(1F)
N3/10



106
(2F)
Ignition: OFF < 10  
5.0   With AT only

P/N recognition


51
(19D)
N3/10




2
(2A)
Ignition: ON

Selector lever position:
P/N

R, D, 4, 3, 2, 1



11 - 14 V

< 2.0 V
Wiring,
Test ETC, see DM, Chassis & Drivetrain, Vol. 1.
6.0   Manual Transmission only
Clutch engage/release switch (S40/2)
Signal


51
(19D)
N3/10




2
(2A)
Ignition: ON

Clutch pedal not depressed:

Clutch pedal depressed:



< 1.0 V

11 - 14 V
Wiring,
S40/2
7.0   Manual Transmission only
Backup lampswitch (S16/2)
Signal


3
(3A)
N3/10




46
(14D)
Ignition: ON

Reverse gear not
engaged:

Reverse gear engaged:



< 1.0 V

11 - 14 V
Wiring,
S16/2