Toyota Sienna Service Manual: Meter / gauge system
- Precaution
- How to proceed with troubleshooting
- Customize parameters
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- Data list / active test
- On-vehicle inspection
Meter
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Precaution
1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL
Before performing electrical work, disconnect the
battery negative (-) terminal in order to prevent a
short in the system.
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Other materials:
Fuel Pump Primary Circuit
DESCRIPTION
This DTC is designed to detect a malfunction in the fuel pump (FUEL
PUMP) relay circuit. When the
system is normal, the battery voltage is applied to FPR terminal of the ECM
while the FUEL PUMP
relay is turned OFF. If the battery voltage is not applied to the FPR
ter ...
Readiness monitor drive
pattern
1. PURPOSE OF READINESS TESTS
The On-Board Diagnostic (OBD II) system is
designed to monitor the performance of emissionrelated
components, and indicate any detected
abnormalities with DTCs (Diagnostic Trouble Codes).
Since various components need to be monitored in
different d ...
For manual air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT AIR INLET CONTROL SERVO MOTOR
(a) Remove the air inlet control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 5 and negative (-) lead to terminal 1, then
check that the lever turns to "RECIRCULATION"
side smoothly.
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