Toyota Sienna Service Manual: Definition of terms
|
Terms |
Definitions |
| Monitor Description | Description of what ECM monitors and how to detect malfunctions (monitoring purpose and details). |
| Related DTCs | A group of diagnostic trouble codes that are output by ECM based on the same malfunction detection logic. |
| Typical Enabling Conditions | Preconditions that allow ECM to detect malfunction.
With all preconditions satisfied, ECM sets DTC when monitored value(s) exceeds malfunction threshold(s). |
| Sequence of Operation | Order of monitor priority, applied if multiple sensors and
components are involved in single malfunction detection
process.
Each sensor and component monitored in turn and not monitored until previous detection operation is completed |
| Required Sensors / Components | Sensors and components used by ECM to detect each malfunction |
| Frequency of Operation | Number of times ECM checks for each malfunction during each driving
cycle.
"Once per driving cycle" means ECM performs checks for that malfunction only once in single driving cycle. "Continuous" means ECM performs checks for that malfunction whenever enabling conditions are met. |
| Duration | Minimum time for which ECM must detect continuous deviation in monitored value(s) in order to set DTC. Timing begins when typical enabling conditions are met. |
| Malfunction Thresholds | Values, beyond which, ECM determines malfunctions exist and sets DTCs. |
| MIL Operation | Timing of MIL illumination after defect is detected.
"Immediate" means ECM illuminates MIL as soon as malfunction is detected. "2 driving cycles" means ECM illuminates MIL if the same malfunction is detected twice during the next sequential driving cycle. |
PARTS LOCATION
SYSTEM DIAGRAM
Precaution
1. INITIALIZATION
NOTICE:
Perform RESET MEMORY (AT initialization) when
replacing the automatic transaxle assembly, engine
assembly or ECM.
Perform REGISTRATION (VIN registratio ...
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 ...
Other materials:
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery
before proceeding.
3 BASIC INSPECTION
Turn the ignition switch ON.
Check whether or not the radio receiver turns on.
Result
4 CHE ...
On-vehicle inspection
1. INSPECT SIDE AIRBAG SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SIDE AIRBAG SENSOR (VEHICLE
INVOLVED IN COLLISION AND AIRBAG HAS NOT
DEPLOYED)
Perform a diagnostic system check.
When the center pillar of the vehicle or ...
Installation
1. INSTALL COMPRESSOR AND MAGNETIC CLUTCH
(a) Using a "TORX" socket wrench (E8), install the
compressor and magnetic clutch with the 2 stud
bolts.
Torque: 10 N*m (102 kgf*cm, 7.4 ft.*lbf)
HINT:
Tighten the stud bolts in the order shown in the
illustration.
(b) Install the c ...
