Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 36

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

6E–139

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

Cutoff Solenoid Valve Always Active

Step

Action

Value(s)

Yes

No

1

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

—

Go to Step 2

Go to On Board 

Diagnostic 

(OBD) System 

Check

2

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 C) stored as
“Present Failure”?

—

Go to Step 3

Refer to 

Diagnostic Aids 

and Go to Step 

3

3

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 C) stored in this
ignition cycle?

—

Go to Step 4

Refer to 

Diagnostic Aids 

and Go to Step 

4

4

Check for poor/faulty connection at the ECM or PSG
(pump control unit) connector. If a poor/faulty
connection is found, repair as necessary. 
Was the problem found?

—

Verify repair

Go to Step 5

5

Visually check the PSG (pump control unit).
Was the problem found? 

—

Go to Step 7

Go to Step 6

105

5

E-6

C-57

6E–140

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

6

Using the DVM and check the MAB (fuel cutoff
solenoid valve) circuit.
Breaker box is available: 

1. Ignition “Off”, engine “Off”. 

2. Install the breaker box as type A. (ECM

disconnected) Ref. Page 6E-81

3. Disconnect the PSG (pump control unit)

connector. 

4. Check the circuit for open or short to ground

circuit. 

Was the problem found?

Breaker box is not available: 

1. Ignition “Off”, engine “Off”. 

2. Disconnect the PSG (pump control unit)

connector. 

3. Check the circuit for open or short to ground

circuit. 

Was the problem found?

—

Repair faulty 
harness and 

verify repair

Go to Step 7

7

Replace the injection pump assembly. 
Is the action complete?

—

Verify repair

—

Step

Action

Value(s)

Yes

No

105

5

E-6

5

105

E-6

C-57

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

6E–141

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

Cutoff Solenoid Valve Malfunction

Step

Action

Value(s)

Yes

No

1

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

—

Go to Step 2

Go to On Board 

Diagnostic 

(OBD) System 

Check

2

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 D) stored as
“Present Failure”?

—

Go to Step 3

Refer to 

Diagnostic Aids 

and Go to Step 

3

3

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 D) stored in this
ignition cycle?

—

Go to Step 4

Refer to 

Diagnostic Aids

4

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

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

6

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

—

7

Replace the injection pump assembly. 
Is the action complete?

—

Verify repair

—

6E–142

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

DIAGNOSTIC TROUBLE CODE (DTC) P0216 (SYMPTOM CODE A) 

(FLASH CODE 54) INJECTION TIMING CONTROL CIRCUIT MALFUNCTION 

(TIMER DEVIATION)

DIAGNOSTIC TROUBLE CODE (DTC) P0216 (SYMPTOM CODE B) 

(FLASH CODE 54) INJECTION TIMING CONTROL CIRCUIT MALFUNCTION 

(TIMER FLUCTUATION)

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

Flash 

Code

Code

Symptom 

Code

MIL

DTC Name

DTC Setting Condition

Fail-Safe (Back Up)

54

P0216

A

ON

Injection Timing Control Cir-
cuit Malfunction (Timer Devia-
tion)

1. Engine speed is more than 

700rpm. 

2. Fuel injection quantity is 

more than 4mg/stk. 

3. Deviation of actual injection 

timing and desired injec-
tion timing is more than  
+3°CA or  -6°CA for 8 sec-
onds.

Fuel injection quantity is 
reduced.

B

ON

Injection Timing Control Cir-
cuit Malfunction (Timer Fluc-
tuation)

1. Engine speed is more than 

2014rpm. 

2. Fluctuation of actual injec-

tion timing is more than 
±5.2°CA.

45

16 15 14 13 12 11 10 9

8 7 6 5 4 3 2 1

Battery
Voltage

Battery
Voltage

0.5
RED/
YEL

2.0
BLU/
RED

7

PSG(Pump Control Unit)

Injection
Pump

2

1

5

8

0.5
WHT

2.0
BLU/
RED

0.5
BLU/
BLK

0.5
RED

0.5
ORG

100

3

58

99

105

91

0.5
PNK

6

2.0
BLK

µP

CAN
Controller

Batt

Batt

IC

µP

0.5
BLU

Stop
Light
10A

1.25
BLK

µP

Engine
Control
Module
(ECM)

ECM
Main Relay