Last Modified: 11-29-2007 1.6 D
Service Category: Drivetrain Section: Automatic Transmission/Transaxle
Model Year: 2008 Model: Sequoia Doc ID: RM000000W6Z097X
Title: AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
  • *: Use the Techstream.

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

CUSTOMER PROBLEM ANALYSIS
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3.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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4.

CONNECT TECHSTREAM TO DLC3*
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5.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

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6.

VISUAL INSPECTION
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7.

SETTING CHECK MODE DIAGNOSIS*

(a) Refer to the Check Mode Procedure AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: CHECK MODE PROCEDURE (2008 Sequoia) .

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8.

PROBLEM SYMPTOM CONFIRMATION

(a) Refer to the Road Test AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: ROAD TEST (2008 Sequoia) .

Result

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B
B

GO TO STEP 10
A

9.

SYMPTOM SIMULATION

(a) Refer to the Electronic Circuit Inspection Procedure INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE (2008 Sequoia) .

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10.

DTC CHECK*

(a) Refer to DTC Check/Clear AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

DTC is not output

A

DTC is output

B
B

GO TO STEP 18
A

11.

BASIC INSPECTION

(a) Refer to Automatic Transmission Fluid AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION FLUID: ADJUSTMENT (2008 Sequoia) .

(b) Refer to Park/Neutral Position Switch AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: PARK / NEUTRAL POSITION SWITCH: ADJUSTMENT (2008 Sequoia) .

(c) Refer to Shift Lever Assembly AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: SHIFT LEVER: ADJUSTMENT (2008 Sequoia) .

NG

GO TO STEP 21
OK

12.

MECHANICAL SYSTEM TESTS

(a) Refer to the Mechanical System Tests AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: MECHANICAL SYSTEM TESTS (2008 Sequoia) .

NG

GO TO STEP 17
OK

13.

HYDRAULIC TEST

(a) Refer to the Hydraulic Test AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: HYDRAULIC TEST (2008 Sequoia) .

NG

GO TO STEP 17
OK

14.

MANUAL SHIFTING TEST

(a) Refer to the Manual Shifting Test AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: MANUAL SHIFTING TEST (2008 Sequoia) .

NG

GO TO STEP 16
OK

15.

PROBLEM SYMPTOMS TABLE CHAPTER 1

(a) Refer to the Problem Symptoms Table AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: PROBLEM SYMPTOMS TABLE (2008 Sequoia) .

NG

GO TO STEP 19
OK

16.

PROBLEM SYMPTOMS TABLE CHAPTER 2

(a) Refer to the Problem Symptoms Table AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: PROBLEM SYMPTOMS TABLE (2008 Sequoia) .

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17.

PART INSPECTION
NG

GO TO STEP 21
OK

18.

DTC CHART

(a) Refer to the Diagnostic Trouble Code Chart AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: DIAGNOSTIC TROUBLE CODE CHART (2008 Sequoia) .

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19.

CIRCUIT INSPECTION
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20.

IDENTIFICATION OF PROBLEM
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21.

REPAIR OR REPLACE
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22.

CONFIRMATION TEST
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END