DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the system to enter self-diagnostic mode. If a malfunction is present, the MIL will blink.
HINT:
When a particular warning light remains blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in the relevant ECU is suspected.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (DLC3 - ECM) |
(a) Disconnect the ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
For 1AR-FE
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D1-13 (TC) - A49-7 (TC) |
Always |
Below 1 Ω |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D1-13 (TC) - A41-16 (TC) |
Always |
Below 1 Ω |
*1 |
DLC3 |
*2 |
Front view of wire harness connector (to ECM) |
*3 |
for 1AR-FE |
*4 |
for 2GR-FE |
(c) Reconnect the ECM connector.
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM) |
|
2. |
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D1-4 (CG) - Body ground |
Always |
Below 1 Ω |
*1 |
DLC3 |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND) |
|
3. |
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D1-13 (TC) - Body ground |
Always |
10 kΩ or higher |
*1 |
DLC3 |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU |
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the center exhaust pipe assembly.
HINT:
Refer to the instructions for Removal of the exhaust pipe (See page
for 2GR-FE,
for 1AR-FE).
2. REMOVE PROPELLER WITH CENTER BEARING SHAF ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT DOOR SCUFF PLATE LH
(a) Disengage the 3 clips, 7 claws and guide, and remove the front door
scuff plate LH.
2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH
...
System Description
SYSTEM DESCRIPTION
1. GENERAL
The rear window defogger wires are attached to the inside of the rear window
and defog the window surface quickly by pressing the rear window defogger switch
on the air conditioning control assembly. The indicator light is i ...