ENGINE CONTROL SYSTEM 3-53
RESISTANCE TABLE
COMPONENT INSPECTIONS
FUEL PUMP 6 SEC OPERATING SOUND
[High pressure side]
1. Install the emergency stop switch lock plate in position.
2. Turn ignition switch ON and check for fuel pump operating
sound.
Fuel pump operating sound:
Sounds for approx. 6 seconds only
NOTE:
Fuel pump operating sound is low because pump is inside fuel
vapor separator. If you cannot hear pump sound clearly, use a
sound scope or long blade screw driver.
ITEM
TERMINAL FOR TESTER
PROBE CONNECTION
STANDARD RESISTANCE
(at 20 °C)
CKP sensor 4 (R/B) to 49 (B/W) 168 – 252 Ω
Fuel injector No. 1 54 (O/B) to Terminal
A
[NOTE 1]
10 – 14 Ω
Fuel injector No. 2
36 (B/Br) to Terminal
A
[NOTE 1]
Fuel injector No. 3 28 (R/W) to Terminal
A
[NOTE 1]
Fuel injector No. 4
53 (Lg) to Terminal
A
[NOTE 1]
Fuel injector No. 5 27 (O/Bl) to Terminal
A
[NOTE 1]
Fuel injector No. 6
29 (Y/R) to Terminal
A
[NOTE 1]
IAC valve #1 55 (W/B) to Terminal
A
[NOTE 1]
25 – 34 Ω
IAC valve #2
56 (R/Y) to Terminal
A
[NOTE 1]
IAC valve #3 58 (R/G) to Terminal
A
[NOTE 1]
IAC valve #4
57 (W/Bl) to Terminal
A
[NOTE 1]
OCV (Oil control valve) #1 30 (Br/W) to Terminal
A
[NOTE 1]
6.0 – 8.3
OCV (Oil control valve) #2
31 (Br/R) to Terminal
A
[NOTE 1]
Purge valve 32 (O/W) to Terminal
A
[NOTE 1] 28 – 35
VSV (Vacuum switching valve)
33 (Gr/R) to Terminal
A
[NOTE 1]
34 – 46
IAT sensor 25 (Lg/B) to 49 (B/W) 0 °C (32 °F): 5.3 – 6.6 kΩ
Cylinder temperature sensor 9 (Lg/W) to 49 (B/W) 25 °C (77 °F): 1.8 – 2.3 kΩ
Ex-manifold temperature sensor #1 8 (V/W) to 49 (B/W) 50 °C (122 °F): 0.73 – 0.96 kΩ
Ex-manifold temperature sensor #2 10 (G/R) to 49 (B/W)
75 °C (135 °F): 0.33 – 0.45 kΩ
(Thermistor characteristic)
ECM main relay
17 (P/B) to Terminal
B
[NOTE 2]
145 – 190 Ω
1
1. Fuel vapor separator/
High pressure fuel pump
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