DESCRIPTION
The main power source is supplied to the A/C amplifier when the ignition switch is ON.
The power source is used for operating the A/C amplifier and servo motor, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Start the engine before inspection. Check the IG1 relay or battery if the engine does not start.
PROCEDURE
1. |
INSPECT A/C AMPLIFIER |
(a) Remove the A/C amplifier with its connectors still connected. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D47-1 (IG+) - D47-14 (GND) |
Ignition switch off |
Below 1 V |
D47-1 (IG+) - D47-14 (GND) |
Ignition switch ON |
11 to 14 V |
*1 |
Component with harness connected (A/C Amplifier) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY) |
(a) Disconnect the A/C amplifier connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D47-1 (IG+) - Body ground |
Ignition switch off |
Below 1 V |
D47-1 (IG+) - Body ground |
Ignition switch ON |
11 to 14 V |
*1 |
Front view of wire harness connector (to A/C Amplifier) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE A/C AMPLIFIER |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION
In this circuit, the meter CPU receives engine coolant temperature signals from
the ECM using the CAN communication system (CAN No. 1 Bus). The meter CPU displays
engine coolant temperature that is calculated based on the data received from th ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLER CONDENSER ASSEMBLY
(a) If the cooler condenser assembly fins are dirty, clean them with water and
dry with compressed air.
NOTICE:
Do not damage the cooler condenser assembly fins.
(b) If any cooler con ...
Installation
INSTALLATION
PROCEDURE
1. INSPECT TORQUE CONVERTER ASSEMBLY
2. INSTALL TORQUE CONVERTER ASSEMBLY
(a) Engage the splines of the input shaft and turbine runner.
(b) Engage the splines o ...