Toyota Sienna Service Manual: Check for short circuit
(a) If the wire harness is ground shorted (Fig. 5), locate the section by conducting a resistance check with the body ground (below).
(b) Check the resistance with the body ground.
(1) Disconnect connectors A and C and measure the resistance.
Standard resistance (Fig. 6)
HINT:
Measure the resistance while lightly shaking the wire harness vertically and horizontally. If your results match the examples above, an open circuit exists between terminal 1 of connector A and terminal 1 of connector C.
(2) Disconnect connector B and measure the resistance.
Standard resistance (Fig. 7)
If the results match the examples above, a short circuit exists between terminal 1 of connector B2 and terminal 1 of connector C.
Check for open circuit
(a) For an open circuit in the wire harness in Fig. 1, the resistance or
voltage, as described below.
(b) Check the resistance.
Check the resistance
Standard resistance (Fig. 2)
...
Check and replace ecu
NOTICE: • The connector should not be disconnected from
the ECU. Perform the inspection from the
backside of the connector on the wire harness
side.
• When no measuring condition is s ...
Other materials:
SPD Signal Error
DTC 58-43 SPD Signal Error
DTC 80-43 SPD Signal Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
58-43
A difference between the GPS speed and SPD pulse is
detected.
Speed signal circuit
Radio and navigation assembly
...
Installation
1. INSTALL IGNITION SWITCH ASSEMBLY
(a) Install the ignition switch with the 2 screws.
(b) Install the ignition switch connector.
2. INSTALL STEERING COLUMN COVER LOWER
(a) Attach the 4 claws to install the steering column
cover lower.
(b) Insert the key into the ignition key cylinde ...
Body
GENERAL MAINTENANCE
1. TIGHTEN BOLTS AND NUTS ON CHASSIS AND
BODY
(a) Tighten all the parts of the chassis when necessary.
Steering system
Drive train
Suspension
Brake system
Engine mounting, etc.
(b) Tighten all the parts of the body when necessary.
Seat belts
Seats
Doors ...
