FORM NO. 56043110 - Exterra
™
-
25
ENGINE SYSTEM
TROUBLESHOOTING GUIDE
Troubleshooting Guide
Symptom
3 Cylinder engine will not run at high speed
Note: With the engine running at idle press the engine speed switch to activate the high speed
engine function. Before troubleshooting inspect and test the 30A F2 fuse. If fuse condition is
questioned substitute a new fuse.
Engine will not run at
high speed
Test for 12V’s (+) at
the A1 throttle control
module’s Aux terminal
input (Gra/Blu) to
battery (-) Grd.
Test for 12V’s @ the
A1 throttle control
module, input power
B+& B-.
Press on & off the
engine speed switch,
check for continuity @
ribbon connector (*)
pins J3-1 & J3-4 on the
A2 control box
assembly.
Ribbon pin’s
test open.
Replace the
touch pad
switch panel.
No
No
Repair or replace the
defective wiring or F2
(30A) fuse.
Check for
12V’s (+) @
the A2 control
box output pin
J1-17
(Gra/Blu) to
Bat (-). Grd.
Replace the
A2 control box
assembly.
Repair or replace the
defective Gra/Blu wire.
Test the A1 throttle
actuator coil voltage
inputs.
• Pull in circuit wires
Blk & Wht
• Hold in circuit wires
Blk & Red
**Note: See coil
resistance spec.
Replace the throttle
actuator
Replace the A1 throttle
control module
Yes
Yes
No
No
Yes
No
Yes
Yes
* Ribbon connector see Electrical System Figure 1 for detail pin call-outs.
**Note: “Pull In” coil resistance 0.3 Ohms and “Hold In” coil resistance 14 Ohms.
Содержание Exterra 56507000
Страница 5: ...FORM NO 56043110 Exterra 5 3 CYLINDER MODELS 4 CYLINDER MODELS...
Страница 61: ...FORM NO 56043110 Exterra 61 E D B B A A C F G FIGURE 5 FIGURE 6 ENGINE SYSTEM...
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Страница 83: ...FORM NO 56043110 Exterra 83 ENGINE HARNESS FOR GM 1 6L GAS Petrol Tier 3 ELECTRICAL SYSTEM...
Страница 84: ...84 FORM NO 56043110 Exterra ELECTRICAL SYSTEM ENGINE HARNESS FOR GM 1 6L LPG Tier 3...
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