Content .. 128 129 130 131 ..

Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 130

6E–124

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

moving connectors and wiring harness related to the
sensor.

Diagnostic Trouble Code (DTC) P0180 (Symptom Code B) (Flash Code 15) Fuel

Temperature Sensor Circuit Range/Performance

Step

Action

Value(s)

Yes

Was the “On-Board Diagnostic (OBD) System Check”
performed?

—

Go to Step 2

Go to On Board

Diagnostic

(OBD) System

Check

1. Connect the Tech 2.

2. Review and record the failure information.

3. Select “F0: Read DTC Infor As Stored By ECU” in

“F0: Diagnostic Trouble Codes”.

Is the DTC P0180 (Symptom Code B) stored as
“Present Failure”?

—

Go to Step 3

Refer to

Diagnostic Aids

and Go to Step

1. Using the Tech 2, ignition “On” and engine “Off”.

2. Select “F1: Clear DTC Information” in “F0:

Diagnostic Trouble Codes” with the Tech 2 and
clear the DTC information.

3. Operate the vehicle and monitor the “F0: Read

DTC Infor As Stored By ECU” in the “F0:
Diagnostic Trouble Codes”.

Was the DTC P0180 (Symptom Code B) stored in this
ignition cycle?

—

Go to Step 4

Refer to

Diagnostic Aids

Is the ECM programmed with the latest software
release?
If not, download the latest software to the ECM using
the “SPS (Service Programming System)”.
Was the problem solved?

—

Verify repair

Go to Step 5

Substitute a known good ECM and recheck.
Was the problem solved?
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System (SPS) in this manual.
Following ECM programming, the immobiliser system
(if equipped) must be linked to the ECM. Refer to
section 11 “Immobiliser System-ECM replacement” for
the ECM/Immobiliser linking procedure.

—

Go to Step 6

Go to Step 7

Replace the ECM.
Is the action complete?
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System (SPS) in this manual.
Following ECM programming, the immobiliser system
(if equipped) must be linked to the ECM. Refer to
section 11 “Immobiliser System-ECM replacement” for
the ECM/Immobiliser linking procedure.

—

Verify repair

—

Replace the injection pump assembly.
Is the action complete?

—

Verify repair

—

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

6E–125

DIAGNOSTIC TROUBLE CODE (DTC) P0215 (SYMPTOM CODE A)

(FLASH CODE 52) FUEL CUTOFF SOLENOID VALVE MALFUNCTION

DIAGNOSTIC TROUBLE CODE (DTC) P0215 (SYMPTOM CODE B)

(FLASH CODE 52) FUEL CUTOFF SOLENOID VALVE CIRCUIT HIGH INPUT

DIAGNOSTIC TROUBLE CODE (DTC) P0215 (SYMPTOM CODE C)

(FLASH CODE 52) FUEL CUTOFF SOLENOID VALVE ALWAYS ACTIVE

DIAGNOSTIC TROUBLE CODE (DTC) P0215 (SYMPTOM CODE D)

(FLASH CODE 52) FUEL CUTOFF SOLENOID VALVE MALFUNCTION

16 15 14 13 12 11 10 9

8 7 6 5 4 3 2 1

Battery
Voltage

0.5
RED/
YEL

2.0
BLU/
RED

TCM

A / T

ECM Fuse

PSG(Pump Control Unit)

Injection
Pump

0.5
WHT

2.0
BLU/
RED

0.5
BLU/
BLK

0.5
RED

0.5
ORG

100

105

0.5
PNK

2.0
BLK

µP

CAN
Controller

Batt

µP

0.5
BLU

Meter
10A

1.25
BLK

µP

Engine
Control
Module
(ECM)

ECM
Main Relay

6E–126

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

Condition for setting the DTC and action taken when the DTC sets

Circuit Description

When the ignition switch is turned “Off”, the fuel
solenoid valve (MAB) signal is supplied from the ECM to
the PSG. This signal is the command for the PSG to
turn “Off” the engine.
If the MAB signal circuit is short to voltage circuit or
short to ground circuit, DTC P0215 (Symptom Code B)
or P0215 (Symptom Code C) will be stored.

Diagnostic Aids

An intermittent may be caused by the following:

• Poor connections.

• Misrouted harness.

• Rubbed through wire insulation.

• Broken wire inside the insulation.
Check for the following conditions:

• Poor connection at ECM and PSG-Inspect harness

connectors for backed out terminals, improper
mating, broken locks, improperly formed or damaged
terminals, and poor terminal to wire connection.

Diagnostic Trouble Code (DTC) P0215 (Symptom Code A) (Flash Code 52) Fuel

Cutoff Solenoid Valve Malfunction

Flash

Code

Symptom

Code

MIL

DTC Name

DTC Setting Condition

Fail-Safe (Back Up)

P0215

ON at

next
igni-

tion

cycle

Fuel Cutoff Solenoid Valve
Malfunction

1. Ignition key switch off.
2. Engine speed is below

1500rpm.

3. Vehicle speed is below

1.5km/h.

4. PSG (pump control unit)

recognizes MAB (fuel cutoff
solenoid valve) signal from
the ECM, but the MAB
could not operate.

1. MAB (fuel cutoff solenoid

valve) is operated.

2. Desired injection quantity

becomes 0mg/strk.

Fuel Cutoff Solenoid Valve
Circuit High Input

ECM does not command
MAB (fuel cutoff solenoid
valve) signal to the PSG
(pump control unit), but PSG
detected MAB signal line cir-
cuit is high level.

Engine does not start.

Fuel Cutoff Solenoid Valve
Always Active

1. Ignition key switch off.
2. Engine speed is below

1500rpm.

3. Vehicle speed is below

1.5km/h.

4. PSG (pump control unit)

does not recognize MAB
(fuel cutoff solenoid valve)
signal from the ECM.

1. MAB (fuel cutoff solenoid

valve) is operated.

2. Desired injection quantity

becomes 0mg/strk.

Fuel Cutoff Solenoid Valve
Malfunction

1. Ignition key switch off.
2. CAN controller does not

operate Bus-off.

No fail-safe function.

Step

Action

Value(s)

Yes

Was the “On-Board Diagnostic (OBD) System Check”
performed?

—

Go to Step 2

Go to On Board

Diagnostic

(OBD) System

Check

1. Connect the Tech 2.

2. Review and record the failure information.

3. Select “F0: Read DTC Infor As Stored By ECU” in

“F0: Diagnostic Trouble Codes”.

Is the DTC P0215 (Symptom Code A) stored as
“Present Failure”?

—

Go to Step 3

Refer to

Diagnostic Aids

and Go to Step

4JH1 ENGINE DRIVEABILITY AND EMISSIONS

6E–127

1. Using the Tech 2, ignition “On” and engine “Off”.

2. Select “F1: Clear DTC Information” in “F0:

Diagnostic Trouble Codes” with the Tech 2 and
clear the DTC information.

3. Operate the vehicle and monitor the “F0: Read

DTC Infor As Stored By ECU” in the “F0:
Diagnostic Trouble Codes”.

Was the DTC P0215 (Symptom Code A) stored in this
ignition cycle?

—

Go to Step 4

Refer to

Diagnostic Aids

Replace the injection pump assembly.
Is the action complete?

—

Verify repair

—

Step

Action

Value(s)

Yes

Content .. 128 129 130 131 ..