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:
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
When removing the window frame moulding, heat the vehicle body and window
frame moulding using a heat li ...
Stop Light Control Relay Malfunction (C1380)
DESCRIPTION
Upon receiving the hill-start assist control operating signal from the master
cylinder solenoid (skid control ECU), the Stop light control relay (Stop light switch
assembly) contact turns on and the stop lights come on.
DTC No.
...
0.0257