Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1758

DIAGNOSIS 7A2-83

DTC P0602 Programming Error

Setting Condition:

•

When reprogramming operation is stopped under Service Programming System (SPS).

•

When non programmed TCM (blank TCM) is used without Service Programming System (SPS).

Fail Safe:

•

Lock-up is inhibited.

•

All solenoid operations stop (OFF) and the gear is fixed to the 3rd.

Possible Cause:

•

Low battery voltage while Service Programming System (SPS) is operated.

•

No programmed TCM (blank TCM) is used.

Recover DTC:

Reprogram the TCM using with Service Programming System (SPS).

7A2-84 DIAGNOSIS

SYMPTOM DIAGNOSIS

Symptom

Condition

Description

Vehicle does not

run

In D, 3, 2, L, and R ranges

Vehicle does not run though the accelerator
pedal is stepped on.

A1

In R range

Vehicle does not run in R range only.

A2

It runs normally in D, 3, 2, and L ranges.

In D, 3, 2, and L ranges

Vehicle does not run in D, 3, 2, and L
ranges only.

A3

It runs normally in R range.

Trouble at

starting

Vehicle runs in N range

Creep appears in N range.

B1

Vehicle moves unless the brake pedal is
stepped on in N range.

Poor acceptation

Starting acceleration is poor.

B2

Engine races up during starting (slip)

The engine speeds up but vehicle speed
does not increase when the accelerator
pedal is stepped on at the starting.

B3

Large shock when shift lever is changed to
N to D range or N to R range

Large shock is felt when selecting D or R
range from N range during the idling after
warming up.

B4

Engine stalls when selecting from N range
to R, D, 3, 2, or L range

The engine stalls when selecting from N or
P range to a run range during the engine
idling.

B5

Engine starter does not run in P or N range

The engine starter does not run though the
P or N range is selected.

B6

Engine starter runs except in P or N range

The engine starter runs though the R or D,
3, 2or L range is selected.

B7

Extended time lag when shift lever is
changed to N to D

The shift time lag is longer than standard
value when shift lever is changed to N to D.

B8

Extended time lag when shift lever is
changed to N to R

The shift time lag is longer than standard
value when shift lever is changed to N to R.

B9

Brake is applied in R range

Brake is applied suddenly in R range.

B10

Insufficient starting or shaking in D range

Insufficient starting or shaking in D range.

B11

Noise or vibration

Noise or vibration is generated in the vicinity
of AT at starting.

B12

DIAGNOSIS 7A2-85

7A2-86 DIAGNOSIS

SYMPTOM DIAGNOSIS

Symptom

Condition

Description

Faulty shifting

Engine race up (slip) when gear is shifted up
to 1st to 2nd

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up.

C1

Engine race up (slip) when gear is shifted up
to 2nd to 3rd

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up.

C2

Engine race up (slip) when gear is shifted up
to 3rd to 4th

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted down or for kick-down during
steady run.

C3

Engine race up (slip) when gear is shift
down or kick-down to 4th to 3rd

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted down or for kick-down.

C4

Engine race up (slip) when gear is shift
down or kick-down to 4th to 2nd

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted down or for kick-down.

C5

Engine race up (slip) when gear is shift
down or kick-down to3rd to 2nd

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted down or for kick-down.

C6

Engine race up (slip) when gear is shift
down or kick-down to4th or 3rd to 1st

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted down or for kick-down.

C7

Engine race up (slip) others

The engine speed up when the accelerator
pedal is stepped on for acceleration and the
gear is shifted down or for kick-down during
steady run.

C8

Barking feel when gear is shifted up to 1st to
2nd

Brake feeling appears when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up.

C9

Barking feel when gear is shifted up to 2nd
to 3rd

Brake feeling appears when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up.

C10

Barking feel when gear is shifted up to 3rd
to 4th

Brake feeling appears when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up.

C11

Large shock when gear is shifted to 1st to
2nd or 2nd to 1st

Large shock is felt when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up or down.

C12

Large shock when gear is shifted to 2nd to
3rd or 3rd to 2nd

Large shock is felt when the accelerator
pedal is stepped on for acceleration and the
gear is shifted up or down.

C13