Tag: Bobcat Repair

Here is the instruction show you guide on how to solve Bobcat G2 Stage V engine P00AC intake manifold temperature sensor low fault.

 

What you need?

Doosan uVIM Diagnostic Kit

Bobcat V2 Engine Analyzer

Bobcat Diagnostic Kit

 

 

Fault Code:

P00AC:Intake manifold temperature sensor Low fault

 

Overview:

“E” SPNFMI:E00010504

Reason:1. Electrical problem (Intake manifold temperature sensor connector)

2 Electrical problem (Wiring harness Intake manifold temperature sensor to ECU, Faulty Intake manifold temperature sensor)

3 Electrical problem (Faulty ECU, ECU connector)

 

Effect:CE lamp ON Inducement Group1 (EGR Block) – with EGR only DPF regeneration inhibit by Active and Forced

 

Component Location:

 

 

Condition for Running Diagnostic

Key on or Engine running or Key off(ECU on)

 

Condition for Setting the Fault Code

Intake manifold temperature signal is less than minimum threshold (0.151V)

 

Condition for Clearing the Fault Code

Intake manifold temperature signal is in operation range.

 

Check List

This instruction show you guide on how to solve Bobcat machine trouble code P18B0 DEF line heater SCB error.

 

Related Contents:

Service Analyzer 91.15 for Bobcat Diagnostic Software

2023 Bobcat Engine Analyzer ECU DCU Diagnostic Software

Bobcat Diagnostic Tool

 

 

Code:U004340-03

Reason:

1 Electric problem (DEF line heater connector)

2 Electric problem (Heater relay, Wiring harness related DEF line heater)

3 Electric problem (DCU connector, DCU)

Effect:Inducement Group2

 

Component Location

 

3) Condition for Running Diagnostic

Power-stage is not actuated

4) Condition for Setting the Fault Code

 

The power-stage hardware reports a “SCB” error

➢ State of Diagnosis load feedback for Circuit 3(Pressure line) is TRUE or

➢ State of Diagnosis load feedback for Circuit 4(Backflow line) is TRUE or

➢ State of Diagnosis load feedback for Circuit 5(Suction line) is TRUE

5) Condition for Clearing the Fault Code

 

When no error is detected

➢ State of Diagnosis load feedback for Circuit 3(Pressure line) is FALSE or

➢ State of Diagnosis load feedback for Circuit 4(Backflow line) is FALSE or

➢ State of Diagnosis load feedback for Circuit 5(Suction line) is FALSE

 

6) Check List

Here is the solution for how to repair Bobcat heavy duty machine P18A2 suction line heater plausibility error.

 

Related Contents:

Service Analyzer 91.15 for Bobcat Diagnostic Software

2023 Bobcat Engine Analyzer ECU DCU Diagnostic Software

Bobcat Diagnostic Tool

 

1) Overview

CODE U004357-02

 

REASON

1 Electric problem (Battery supply into the main relay, DEF pressure line heater connector)

2 Electric problem (Heater relay, Wiring harness related DEF suction line heater, DEF suction line heater)

3 Electric problem (DCU connector, DCU)

EFFECT Inducement Group2

 

2) Component Location

Urea Tank, Valve and Urea Lines is applied by Machine/Vehicle Maker

 

3) Condition for Running Diagnostic

In 10ms raster if relay load diagnostic is not disabled by calibration parameter

 

4) Condition for Setting the Fault Code

Suction line heater feedback voltage is between Low threshold and High threshold

(1000mV and 2450mV)

 

5) Condition for Clearing the Fault Code

No defect detection

 

6 Check List

1) Overview

U004375-24

1 Electric problem (Supply module connector)
2 Electric problem (Wiring harness DCU to supply module, Supply module)
3 Electric problem (DCU connector, DCU)

 

Related Contents:

Service Analyzer 91.15 for Bobcat Diagnostic Software

2023 Bobcat Engine Analyzer ECU DCU Diagnostic Software

 

2) Component Location

 

3) Condition for Running Diagnostic
When pump motor is normal
4) Condition for Setting the Fault Code
When the sensor value (raw duty cycle) is less than 4%
5) Condition for Clearing the Fault Code
When the sensor value (raw duty cycle) is greater than 4%
6) Check List

Step	Inspection	Standard Value	YES	NO
1	P2B8C/P2B8D is occurred on diagnostic tool?	Step 2
2	After let the machine be in safety area and turn off the key switch	Step 3
3	Check sensor connection Connection problem?	Do necessary repair	Step 4
4	Check DCU connection Connection problem?	Do necessary repair	Step 5
5	Check the DCU voltage related pin connection and harness. Pin or connection problem?	Do necessary repair	Step 6
6	Check continuity and electrical insulation Electrical problem?	Fix harness	Change SM