Diagnostic Manual, Engines, Volume 4
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 section 0,
2. Review  22 entirely,
3. Ignition: OFF,
4. Connect test cable with socket box to N3/10.
|
 |
 |
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 2
|
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 |
Wiring,
B37
|
| 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. |
|
Printable version
