Toyota Sienna Service Manual: How to proceed with troubleshooting
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
- Check for DTC(s) and freeze frame data.
HINT: Record or print the DTCs and freeze frame data, if necessary.
4 CLEAR DTC AND FREEZE FRAME DATA
- Clear the DTC(s) and freeze frame data
5 CONDUCT VISUAL INSPECTION
6 SET CHECK MODE DIAGNOSIS
- Set the check mode
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
- Check for DTCs.
Result
10 REFER TO DTC CHART
HINT: Refer to the DTC chart
GO TO STEP 13
11 CONDUCT BASIC INSPECTION
HINT: Refer to "BASIC INSPECTION".
Result
12 REFER TO PROBLEM SYMPTOMS TABLE
HINT: Refer to "PROBLEM SYMPTOMS TABLE".
Result
13 CHECK ECM POWER SOURCE CIRCUIT
HINT: Refer to "ECM POWER SOURCE CIRCUIT"
14 CONDUCT CIRCUIT INSPECTION
Result
15 CHECK FOR INTERMITTENT PROBLEMS
HINT: Refer to "CHECK FOR INTERMITTENT PROBLEMS"
GO TO STEP 17
16 CONDUCT PARTS INSPECTION
17 IDENTIFY PROBLEM
18 ADJUST AND/OR REPAIR
19 CONDUCT CONFIRMATION TEST
END
Definition of terms
Terms
Definitions
Monitor Description
Description of what ECM monitors and how to detect malfunctions
(monitoring purpose and details).
Related DTCs
A gro ...
Check for intermittent
problems
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
For use of the intelligent tester only:
Inspect the vehicle's ECM using check mode.
Intermittent problems are easier to detect with an
intelligent teste ...
Other materials:
Radio Broadcast cannot be Received or Poor Reception
INSPECTION PROCEDURE
1 CHECK RADIO RECEIVER
Check the radio's automatic station search function.
Check the radio's automatic station search function
by activating it.
OK:
The radio's automatic station search function
works properly.
2 CONFIRM MODEL
Result
3 INSPECT RADIO ...
Window defogger switch
INSPECTION
1. INSPECT WINDOW DEFOGGER SWITCH
Check the defogger switch illuminates.
Standard
If the result is not as specified, replace the switch
assembly or bulb.
Check the defogger timer.
Connect the positive (+) lead from the battery
to terminal 2 and ...
Adjustment
HINT:
On the RH side, use the same procedures as on the LH side.
1. INSPECT SLIDE DOOR PANEL SUB-ASSEMBLY LH
Check that the clearance is within the standard
range.
Standard
2. ADJUST SLIDE DOOR PANEL SUB-ASSEMBLY LH
Using the SST, horizontally and vertically adjust the
...
