Toyota 4Runner: Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
2. FUNCTION OF POWER STEERING WARNING LIGHT
(a) When a malfunction is detected in the power steering system, the power steering warning light in the combination meter comes on to inform the driver of the malfunction.
HINT:
When power assist is stopped or reduced, the power steering warning light comes on.
Power assist is stopped:
- When a malfunction occurs in the power steering system (including lost CAN communication, etc.)
- When the engine stalls (not a malfunction)
Power assist is reduced:
When a malfunction occurs in the power steering system (including lost CAN communication, etc.)
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER STEERING ECU ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Col ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following m ...
Other materials about Toyota 4Runner:
Open in One Side of CAN Branch Line
DESCRIPTION
If 2 or more ECUs and/or sensors do not appear on the Techstream "CAN Bus Check"
screen, one side of the CAN branch wire may be open (one side of the CANH [branch
wire]/CANL [branch wire] of the ECU and/or sensor is open).
...
Adjusting the settings manually
Basic setting
To turn on the air conditioning
system and adjust the fan speed, press “>” on
to increase the fan speed and “<”
to decrease the fan speed.
Press to turn the fan off.
To adjust the temperature
setting, turn clockwise t ...
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