DESCRIPTION
WIRING DIAGRAM
Refer to "Cruise Main Indicator Light Circuit" (See page ).
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.
(e) Check the SET indicator light by performing the Active Test.
Combination Meter
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Indicat. SET |
SET indicator light |
OFF or BLINK |
Confirm that the vehicle is stopped with the engine idling |
OK:
The SET indicator light blinks or goes off according to Techstream operation.
NG |
REPLACE COMBINATION METER ASSEMBLY |
|
2. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Cruise Control / Data List.
(e) According to the display on tester, read the Data List.
Cruise control (ECM)
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
SET/COAST Switch |
- / SET switch signal / ON or OFF |
ON: - / SET switch ON OFF: - / SET switch off |
- |
OK:
The display changes as shown above according to cruise control main switch operation.
Result |
Proceed to |
---|---|
OK |
A |
NG (for 1AR-FE) |
B |
NG (for 2GR-FE) |
C |
A |
USE SIMULATION METHOD TO CHECK |
B |
REPLACE ECM |
C |
REPLACE ECM |
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL STOP LIGHT SWITCH CUSHION
(a) Install the stop light switch cushion to the brake pedal support assembly.
2. INSTALL BRAKE PEDAL PAD
(a) Install the brake pedal pad to the brake pedal support assembly.
3. INSTALL BRAKE PEDA ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL INJECTOR ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
(See page ).
(a) Apply a light coat of gasoline or spindle oil to new O-rings, and
then ...
Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION
The tire pressure warning ECU receives a vehicle speed signal from the combination
meter and an engine speed signal from the ECM. The tire pressure warning ECU uses
these signals to detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter) ...