DESCRIPTION
When the air conditioning amplifier assembly is turned on, a magnetic clutch on signal is sent from the MGC terminal of the air conditioning amplifier assembly. Then, the MG CLT relay turns on to operate the magnetic clutch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM) |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result
Result |
Proceed to |
---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
INSPECT MG CLT RELAY |
(a) Remove the MG CLT relay.
(b) Inspect the MG CLT relay (See page ).
NG | ![]() |
REPLACE MG CLT RELAY |
|
3. |
CHECK HARNESS AND CONNECTOR (MG CLT RELAY - POWER SOURCE CIRCUIT) |
(a) Remove the MG CLT relay.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
MG CLT-1 - Body ground |
Ignition switch ON |
11 to 14 V |
MG CLT-5 - Body ground |
Ignition switch ON |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (MG CLT RELAY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND MAGNET-CLUTCH ASSEMBLY) |
(a) Remove the MG CLT relay.
(b) Disconnect the A14 air conditioning amplifier assembly connector.
(c) Disconnect the A1 magnet-clutch assembly connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
MG CLT-2 - A14-18 (MGC) |
Always |
Below 1 Ω |
MG CLT-3 - A1-1 (MG+) |
Always |
Below 1 Ω |
MG CLT-2 or A14-18 (MGC) - Body ground |
Always |
10 kΩ or higher |
MG CLT-3 or A1-1 (MG+) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
INSPECT MAGNET-CLUTCH ASSEMBLY |
(a) Remove the magnet-clutch assembly (See page
).
(b) Inspect the magnet-clutch assembly (See page
).
NG | ![]() |
REPLACE MAGNET-CLUTCH ASSEMBLY |
|
6. |
INSPECT AIR CONDITIONING AMPLIFIER ASSEMBLY |
(a) Reconnect the A14 air conditioning amplifier assembly connector.
(b) Reconnect the A1 magnet-clutch assembly connector.
(c) Reinstall the MG CLT relay.
(d) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
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