DESCRIPTION
The main body ECU (driver side junction block assembly) determines the ignition switch position (OFF, ACC, ON) based on signals from the IG or ACC circuit.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Select the items below in the Data List and read the display on the Techstream.
Main Body
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
IG SW |
Ignition switch ON signal/ON or OFF |
ON: Ignition switch ON OFF: Ignition switch off |
- |
ACC SW |
Ignition switch ACC signal/ON or OFF |
ON: Ignition switch ACC OFF: Ignition switch off |
- |
OK:
When the ignition switch is operated, the display changes as shown in the table.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (BATTERY - DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the 2A driver side junction block assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2A-1 - Body ground |
Ignition switch ON |
11 to 14 V |
*1 |
Front view of wire harness connector (to Driver Side Junction Block Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT IGNITION SWITCH ASSEMBLY |
(a) Remove the ignition switch assembly (See page
|
|
(b) Disconnect the D12 ignition switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D12-4 (IG1) - D12-2 (AM1) |
Ignition switch ON |
Below 1 Ω |
D12-3 (ACC) - D12-2 (AM1) |
Ignition switch ACC |
Below 1 Ω |
*1 |
Component without harness connected (Ignition Switch Assembly) |
*2 |
No Pin |
*3 |
LOCK |
*4 |
ACC |
*5 |
ON |
*6 |
START |
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2GR-FE) |
B |
NG (for 1AR-FE) |
C |
B | ![]() |
REPLACE IGNITION SWITCH ASSEMBLY (for 2GR-FE) |
C | ![]() |
REPLACE IGNITION SWITCH ASSEMBLY (for 1AR-FE) |
|
4. |
CHECK HARNESS AND CONNECTOR (DRIVER SIDE J/B - DRIVER SIDE J/B) |
(a) Disconnect the 2G driver side junction block assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2G-10 - 2G-29 |
Ignition switch ON |
Below 1 Ω |
2G-10 - 2G-9 |
Ignition switch ACC |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Driver Side Junction Block Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND) |
(a) Disconnect the 2F driver side junction block assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2F-16 - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Driver Side Junction Block Assembly) |
OK | ![]() |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Registration
REGISTRATION
PROCEDURE
1. DESCRIPTION OF CODE REGISTRATION
HINT:
The key has 2 codes: the key code (immobiliser code) and the wireless code. Both
of these codes need to be registered. For the wireless code registration procedures,
refer to Wireless Doo ...
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the AWD control ECU to display
2-digit DTCs by flashing the AWD warning light.
HINT:
When each warning light remains blinking, a short to ground in the wiring of
terminal TC of the DLC3 or an ...
Transfer Case Front Oil Seal(when Using The Engine Support Bridge)
Components
COMPONENTS
ILLUSTRATION
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE TRANSFER ASSEMBLY
See page
2. REMOVE TRANSFER CASE FRONT OIL SEAL
(a) Using SST, remove the transfer case front oil seal from the transfer
case.
S ...