Bosch OBD 1350 - KOER Glow Plug

580001 | REV. A | 11.2016
OBD 1350 ProGrade OBDII Scan Tool
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User guide | 45
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en
CAUTION
Keep hands and tools away from fan and
engine during test.
IMPORTANT
Perform each step when prompted by the Scan
Tool. Failure to follow directions may set DTC(s)
in the PCM.
3. Follow the instructions displayed on the tool. If the
steps are not followed correctly, a message displays
asking you to RETRY.
• Set parking brake.
• Transmission in park (P) or neutral (N).
• Turn A/C off.
• Start engine and let idle until hot.
• Turn ignition key off.
• Wait 10 seconds. Start engine and let idle.
If the vehicle is equipped with a manual transmission,
release the clutch.
KOER On Demand
2) Set parking brake.
3) Trans in P or N.
4) Turn A/C off.
5) Start engine & let idle
until hot.
7) Wait 10 sec. Start engine &
let idle.
6) Turn Ign key off.
1) Do all test steps:
Press ENTER to continue
4. Press to continue.
5. The tool prompts you to:
• Work Steering Wheel.
• Pump Brake Pedal.
• Cycle overdrive (OD) cancel switch (on some
automatic transmissions).
KOER On Demand
Work steering wheel,
pump brake pedal,
cycle overdrive cancel switch.
Press ENTER to continue
6. View and write down DTCs.
• Use the UP and DOWN keys.
Heated Oxygen Sensor
Downstream Sensor Not Tested
1/4
ECM $10
P1127
FORD KOER ON DEMAND
If no DTCs are present, a message stating “No Codes
Found” is displayed.
7. Return to the On Demand Tests Menu.
• Press .
5.23 KOER Glow Plug
This test is available on some Ford trucks equipped with
a diesel engine. The KOEO Glow Plug is an on-demand
test which activates the glow plug relay and detects any
difference in the amount of current between both banks
of glow plugs. DTCs returned from the test indicate
which bank has failed glow plugs or failed wiring.
WARNING
Exhaust gases are harmful or fatal. Always
operate vehicle in a well-ventilated area.
CAUTION
The KOER glow plug test is done with the
engine running. Do not over-rev the engine.
Observe all safety precautions.
Battery voltage must be between 11.8 and 14.0 volts for
the Glow Plug Test. To maintain battery voltage, increase
engine RPM. If required, monitor battery voltage during
the test using a voltmeter.
From the On Demand Tests Menu:
1. Select KOER Glow Plug.
• Use the UP and DOWN keys until KOER
Glow Plug is highlighted.
• Press .
On Demand Tests
KOEO Injector Buzz
KOEO On Demand
KOEO Output State
KOER On Demand
Review Data
KOER Cylinder Contribution
Component Locator
Acronyms
KOER Glow Plug
2. Perform the following:
• Set parking brake.
• Transmission in park (P) or neutral (N).
• Turn A/C off.
• Start engine and let idle until hot.
• Turn ignition key off.
• Wait 10 seconds. Turn key on engine off.