Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Service manual — part 1738
DIAGNOSIS 7A2-3
PAGE
No. B12: NOISE OR VIBRATION IS GENERATED AT STARTING . . . . . . . . ..7A2-108
No. C1: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFTED UP TO 1st TO 2
nd
. . 7A2-109
No. C2: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFTED UP TO 2nd TO 3
rd
. ...7A2-109
No. C3: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFTED UP TO 3rd TO 4
th
. . 7A2-109
No. C4: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFT DOWN . . . . . . . . 7A2-109
OR KICK-DOWN TO 4th TO 3
rd
. . . . . . . . . . . . . . . . . . . . .7A2-109
No. C5: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFT DOWN OR KICK-DOWN
TO 4th TO 2
nd
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..7A2-109
No. C6: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFT DOWN OR KICK-DOWN
TO 3rd TO 2
nd
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7A2-109
No. C7: ENGINE RACE UP (SLIP) WHEN GEAR IS SHIFT DOWN TO 4th OR 3
rd
TO 1
st
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A2-109
No. C8: ENGINE RACE UP (SLIP) OTHERS. . . . . . . . . . . . . . . . . . .7A2-109
No. C9: BARKING FEEL WHEN GEAR IS SHIFTED UP TO 1st TO 2
nd
. . . . . . .7A2-112
No. C10: BARKING FEEL WHEN GEAR IS SHIFTED UP TO 2nd TO 3
rd
. . . . . ..7A2-112
No. C11: BARKING FEEL WHEN GEAR IS SHIFTED UP TO 3rd TO 4
th
. . . . . ...7A2-112
No. C12: LARGE SHOCK WHEN GEAR IS SHIFTED TO 1st TO 2
ND
OR 2nd TO 1
st
..7A2-115
No. C13: LARGE SHOCK WHEN GEAR IS SHIFTED TO 2nd TO 3
rd
OR 3rd TO 2
nd
.7A2-115
No. C14: LARGE SHOCK WHEN GEAR IS SHIFTED TO 3rd TO 4th TO 3
rd
. . . . 7A2-115
No. C15: LARGE SHOCK WHEN KICK-DOWN. . . . . . . . . . . . . . . . . 7A2-115
No. C16: LARGE SHOCK WHEN NO ACCELERATION. . . . . . . . . . . . . .7A2-115
No. C17: LARGE SHOCK WHEN GEAR IS SHIFTED DOWN TO 2nd TO
1st IN L RANGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..7A2-115
No. C18: LARGE SHOCK (OTHER) . . . . . . . . . . . . . . . . . . . . . . 7A2-115
No. C19: LARGE SHOCK WHEN VEHICLE SPEED IS DOWNED BY NO
ACCELERATOR PANEL OR VEHICLE IS STOPPED. . . . . . . . . . . . . . 7A2-115
No. C20: LARGE LOCK-UP SHOCK. . . . . . . . . . . . . . . . . . . . . ...7A2-115
No. C21: SHIFT DOWN OR ENGINE OVER-RUN WHEN THE ACCELERATION
PANE IS STEPPED ON IN 4th GEAR . . . . . . . . . . . . . . . . . . . . . 7A2-115
NO. D1: FAULTY GEAR SHIFTING (DIFFERENT FROM SHIFT PATTERN). . . ... 7A2-116
NO. D2: GEAR IS SHIFTED FREQUENTLY . . . . . . . . . . . . . . . . . 7A2-121
7A2-4 DIAGNOSIS
PAGE
NO. D3: GEAR SHIFT POINT IS LOW OR HIGH AT ALL POINT. . . . . . . . . 7A2-121
NO. D4: GEAR SHIFT POINT IS LOW OR HIGH AT LIMITED POINT . . . . . . . 7A2-121
NO. D5: NO KICK-DOWN. . . . . . . . . . . . . . . . . . . . . . . .. 7A2-121
NO. E1: NO GEAR SHIFT. . . . . . . . . . . . . . . . . . . . . . . .. 7A2-122
NO. E2: ONLY 4TH GEAR (O/D) IS NOT SELECTABLE . . . . . . . . . . . . 7A2-125
NO. E3: GEAR IS SHIFTED 2ND TO 3RD IN 2 RANGE . . . . . . . . . . . ... 7A2-128
NO. E4: GEAR IS SHIFTED 1ST TO 2ND IN L RANGE. . . . . . . . . . . . 7A2-128
NO. E5: GEAR IS SHIFTED 3RD TO 4TH IN 3 RANGE. . . . . . . . . . . . 7A2-128
NO. F1: LOW MAXIMUM SPEED OR POOR ACCELERATION . . . . . . . . ... 7A2-129
NO. F2: ENGINE RACES UP DURING ACCELERATION (SLIP) . . . . . . . . . 7A2-132
NO. F3: NOISE OR VIBRATION DURING THE RUNNING IN R, D, 3, 2 OR L RANGE7A2-132
NO. F4: ENGINE BRAKE DOES NOT APPLY IN L RANGE. . . . . . . . . . . 7A2-132
NO. F5: ENGINE STALLS BEFORE VEHICLE STOPS FROM RUNNING. . . . ... 7A2-133
NO. G1: VEHICLE MOVES IN P RANGE OR PARKING GEAR IS NOT
DISENGAGED OTHER THAN P RANGE . . . . . . . . . . . . . . . . . . 7A2-133
NO. G2: CREEP FORCE IS LARGE. . . . . . . . . . . . . . . . . . . .. 7A2-133
NO. G3: CREEP FORCE IS SMALL. . . . . . . . . . . . . . . . . . . .. 7A2-134
NO. G4: LARGE NOISE DURING IDLING WITH THE VEHICLE IN STOP STATE. .. 7A2-135
NO. H1: JUDDER OCCURS AT THE LOCK-UP . . . . . . . . . . . . . . ... 7A2-135
NO. H2: LARGE LOCK-UP SHOCK. . . . . . . . . . . . . . . . . . . .. 7A2-135
NO. H3: LOCK-UP POINT IS HIGH OR LOW . . . . . . . . . . . . . . . ... 7A2-135
NO. I1: NO LOCK-UP . . . . . . . . . . . . . . . . . . . . . . . . . 7A2-135
NO. J1: OIL LEAKS FROM BREATHER. . . . . . . . . . . . . . . . . ... 7A2-136
NO. J2: OIL LEAKS BETWEEN ENGINE AND CONVERTER HOUSING. . . . . 7A2-138
NO. J3: OIL LEAKS BETWEEN MAIN CASE AND CONVERTER HOUSING. . . .. 7A2-138
NO. J4: OIL LEAKS BETWEEN MAIN CASE AND REAR HOUSING . . . . . . .. 7A2-138
NO. J5: OIL LEAKS FROM OIL PAN . . . . . . . . . . . . . . . . . . . 7A2-138
NO. J6: OIL LEAKS FROM MANUAL SHAFT OIL SEAL . . . . . . . . . . . . 7A2-138
NO. J7: OIL LEAKS FROM OIL COOLER PIPE JOINT. . . . . . . . . . . . 7A2-138
NO. Z1: TRANSMISSION OVERHEAT. . . . . . . . . . . . . . . . . . .. 7A2-138
NO. Z2: MODE LAMP (POWER DRIVE OR 3RD START) DOES NOT LIGHT UP
WHEN THE POWER MODE OR 3RD START MODE IS TURNED ON. . . . . . 7A2-139
DIAGNOSIS 7A2-5
PAGE
NO. Z3: MODE LAMP (POWER DRIVE OR 3RD START) LIGHTS UP WHEN
THE POWER MODE OR 3RD START MODE IS TURNED OFF. . . . . . . . .. 7A2-139
NO. Z4: OIL TEMPERATURE WARNING LAMP LIGHTS UP . . . . . . . . . .. 7A2-139
NO. Z5: SELECT LEVER FEELING IS FAULTY. . . . . . . . . . . . . . . .. 7A2-139
NO. Z6: POOR FUEL CONSUMPTION . . . . . . . . . . . . . . . . . . . 7A2-140
NO. Z7: PATTERN SELECT SWITCH IS FAULTY. . . . . . . . . . . . . . 7A2-140
NO. Z8: OIL IS SPLASHED DURING THE RUNNING . . . . . . . . . . . . .. 7A2-140
NO. Z9: ABNORMAL SMELL . . . . . . . . . . . . . . . . . . . . . . 7A2-140
NO. Z10: ATF QUANTITY IS LOW OR HIGH. . . . . . . . . . . . . . . . 7A2-140
NO. Z11: ABNORMAL OIL PRESSURE. . . . . . . . . . . . . . . . . . 7A2-141
NO. Z12: REVERSE BUZZER DOES NOT RING. . . . . . . . . . . . . . .. 7A2-141
STALL TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7A2-142
LINE PRESSURE TEST. . . . . . . . . . . . . . . . . . . . . . . . . 7A2-143
TIME LAG TEST. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A2-145
TEST DRIVE. . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 7A2-146
SHIFT POINT CHART . . . . . . . . . . . . . . . . . . . . . . . . . 7A2-149
SHIFT POINT DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . 7A2-151
TCM VOLTAGE CHECK . . . . . . . . . . . . . . . . . . . . . . . . 7A2-156
7A2-6 DIAGNOSIS
BASIC TROUBLE SHOOTING
Transmission fluid pressure together with clutch and brake friction and other important transmission functions are
controlled by electrical signal from the Transmission Control Module (TCM).
Random diagnosis can produce inaccurate and misleading indications. It is important that diagnosing procedure be
carried out systematically.
Carefully follow the sequence outlined below to diagnose automatic transmission assembly.
Verify Customer Complain
Preliminary Check
(Visual Check/Test Drive)
Compare to Same Model
(If Available)
Check Service Bulletin
DTC Check
(Self-diagnosis/Tech 2)
Go to Symptom Diagnosis
Stall Test
Line Pressure Test
Transmission Overhaul
Repair & Verify Fix
Transmission Overhaul
Transmission Overhaul
Go to DTC Chart
Go to Intermittent Diagnosis
NG
Follow the instructions
NG
No Instruction
NG
OK
NO DTC
Not Solved
OK
OK
Follow the Bulletin
(Once Clear Memory) Restored
Not Stored
Use Service Programming
System (SPS)
Not Solved
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