Hyperdrive Vanguard 37 hp efi codes

stuartj

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I have a 2016 hyperdrive giving me codes 0336, 0352, 1694. I have replaced both coils and the crankshaft position sensor. motor is still shutting down number two cylinder.I did properly gap the crank sensor.any help would be appreciated.
 

StarTech

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I would try an ECM flash if you got the Diagnostic software (current version is 3.1.0), cable, and dealer account. It may be just that the software calibration data on the ECM is corrupted. Note this data is engine and serial specific calibration.

The 1694 Error code isn't listed in the support documentation so you may may need to contact Briggs or your Briggs distributor about what it is.

Just note I have the equipment and software but just haven't seen any of these EFI engines yet.
 

ILENGINE

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I would try an ECM flash if you got the Diagnostic software (current version is 3.1.0), cable, and dealer account. It may be just that the software calibration data on the ECM is corrupted. Note this data is engine and serial specific calibration.

The 1694 Error code isn't listed in the support documentation so you may may need to contact Briggs or your Briggs distributor about what it is.

Just note I have the equipment and software but just haven't seen any of these EFI engines yet.
DTC P1694 Driver Circuit Shorted to Power (Non-Scan Diagnostics) This is a tachometer fault test.

1 1. Disconnect and reconnect engine, tachometer and ECM J1 (Grey)
connectors.
2. Turn Ignition ON, Engine OFF.
3. Clear codes.
4. Turn Ignition OFF, and then back ON.
5. Does DTC return?
Go to step 2. Problem corrected.
2 1. Turn Ignition OFF.
2. Back probe terminal J1-06 (Black/Red wire) of ECM connector.
3. Connect terminal J1-06 back probe to red meter test lead on DVOM.
4. Connect black meter test lead on DVOM to a known good ground.
5. Set DVOM to read volts DC.
6. Turn Ignition ON, Engine OFF.
7. Observe voltage on DVOM.
8. Is reading greater than 9 volts DC?
Replace tachometer, or check
for short to power on Black/Red
wire of engine connector or wire
of chassis connector (equipment
side) feeding terminal 5.
 

stuartj

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May 2, 2021
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DTC P1694 Driver Circuit Shorted to Power (Non-Scan Diagnostics) This is a tachometer fault test.

1 1. Disconnect and reconnect engine, tachometer and ECM J1 (Grey)
connectors.
2. Turn Ignition ON, Engine OFF.
3. Clear codes.
4. Turn Ignition OFF, and then back ON.
5. Does DTC return?
Go to step 2. Problem corrected.
2 1. Turn Ignition OFF.
2. Back probe terminal J1-06 (Black/Red wire) of ECM connector.
3. Connect terminal J1-06 back probe to red meter test lead on DVOM.
4. Connect black meter test lead on DVOM to a known good ground.
5. Set DVOM to read volts DC.
6. Turn Ignition ON, Engine OFF.
7. Observe voltage on DVOM.
8. Is reading greater than 9 volts DC?
Replace tachometer, or check
for short to power on Black/Red
wire of engine connector or wire
of chassis connector (equipment
side) feeding terminal 5.
thank you, I will try this test. I also use the Tiny scanner.
 
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