HINT:
The intelligent tester can be used in steps 2, 3, 4, 6 and 9.
1 VEHICLE BROUGHT TO WORKSHOP

2 CONNECT INTELLIGENT TESTER TO DLC3
HINT:
If the display indicates a communication fault in the tester, inspect the DLC3.

3 CHECK DTC AND FREEZE FRAME DATA
(a) Check for DTC(s) and freeze frame data (See page ES- 40).
HINT:
Record or print the DTCs and freeze frame data, if necessary.

4 CLEAR DTC AND FREEZE FRAME DATA
(a) Clear the DTC(s) and freeze frame data (See page ES- 40).

5 CONDUCT VISUAL INSPECTION

6 SET CHECK MODE DIAGNOSIS
(a) Set the check mode (See page ES-43).

7 CONFIRM PROBLEM SYMPTOMS
HINT:
If the engine does not start, perform steps 9 and 11 first.
Result 


8 SIMULATE SYMPTOMS

9 CHECK FOR DTCS
(a) Check for DTCs (See page ES-39).
Result 

10 REFER TO DTC CHART
HINT:
Refer to the DTC chart (See page ES-56).

| GO TO STEP 13 |
11 CONDUCT BASIC INSPECTION
HINT:
Refer to "BASIC INSPECTION" (See page ES-13).
Result 

12 REFER TO PROBLEM SYMPTOMS TABLE
HINT:
Refer to "PROBLEM SYMPTOMS TABLE" (See page ES- 27).
Result 


13 CHECK ECM POWER SOURCE CIRCUIT
HINT:
Refer to "ECM POWER SOURCE CIRCUIT" (See page ES- 437).

14 CONDUCT CIRCUIT INSPECTION
Result 


15 CHECK FOR INTERMITTENT PROBLEMS
HINT:
Refer to "CHECK FOR INTERMITTENT PROBLEMS" (See page ES-13).

| GO TO STEP 17 |
16 CONDUCT PARTS INSPECTION

17 IDENTIFY PROBLEM

18 ADJUST AND/OR REPAIR

19 CONDUCT CONFIRMATION TEST

END
System diagram
Check for intermittent problemsHeadlight leveling switch
ON-VEHICLE INSPECTION
1. HEADLIGHT LEVELING SWITCH
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 5.
Measure the resistance between the terminal 4 and
the battery negative (-) lead when headlight leveling
switch ...
Glossary of sae and Toyota terms
This glossary lists all SAE-J1930 terms and abbreviations
used in this manual in compliance with SAE
recommendations, as well as their TOYOTA equivalents.
...
Operation flow
HINT:
Perform troubleshooting in accordance with the
procedures below. The following is an outline of basic
troubleshooting procedures. Confirm the troubleshooting
procedures for the circuit you are working on before
beginning troubleshooting.
VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PR ...