Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK AND CLEAR DTCs
- Refer to the diagnostic check/clear
4 PROBLEM SYMPTOM CONFIRMATION
5 SYMPTOM SIMULATION
6 CHECK DTC
7 CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM
- Refer to the navigation system
8 PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table
9 BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW
- Terminals of ECU
10 ADJUST, REPAIR OR REPLACE
11 CONFIRMATION TEST
END
System description
1. GENERAL
To assist the driver with parking the vehicle by
displaying an image of the area behind the vehicle,
this system has a television camera mounted on the
luggage compartment d ...
Problem symptoms table
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check the DTCs.
Metho ...
Other materials:
Throttle Actuator Control Motor Current Range
/ Performance
DTC P2118 Throttle Actuator Control Motor Current Range
/ Performance
DESCRIPTION
The ETCS (Electronic Throttle Control System) has a dedicated power supply
circuit. The voltage (+BM)
is monitored and when it is low (less than 4 V), the ECM determines that there
is a malfunction in the
ETCS ...
Throttle / Pedal Position Sensor / Switch "A"
Circuit Range / Performance Problem
DTC P0121 Throttle / Pedal Position Sensor / Switch "A"
Circuit Range / Performance Problem
HINT:
This DTC relates to the Throttle Position (TP) sensor.
DESCRIPTION
Refer to DTC P0120
DTC No.
DTC Detection Condition
Trouble Area
P0121
Differen ...
Disposal
1. DISPOSE OF SHOCK ABSORBER ASSEMBLY REAR LH
(a) Fully extend the shock absorber rod.
(b) Using a drill, make a hole in the cylinder as shown in
the illustration to discharge the gas inside the
cylinder.
CAUTION:
When drilling, since the fragments may fly
out, work careful ...
