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Step
27
1. Turn OFF the ignition.
2. Inspect
for
connections at the thermo relay terminals (pins
1, 2, 3 and 5 of X-15 connector).
3. Repair the connection(s) as necessary.
Did you find and correct the condition?
28
1. Turn OFF the ignition.
2. Inspect
for
connections at the harness connector of the
pressure switch (pins 1 and 2 of C-24 connector).
3. Repair the connection(s) as necessary.
Did you find and correct the condition?
29
1. Turn OFF the ignition.
2. Inspect
for
connections at the harness connector of the
electronic thermostat (pins 1, 2 and 3 of C-55
connector).
3. Repair the connection(s) as necessary.
Did you find and correct the condition?
30
1. Turn OFF the ignition.
2. Inspect
for
connections at the harness connector of the A/C
switch (pins 1, 5 and 6 of B-57 connector).
3. Repair the connection(s) as necessary.
Did you find and correct the condition?
31
1. Turn OFF the ignition.
2. Inspect for an intermittent and for a poor
connection at the harness connector of the
blower motor switch (pin 1 of B-13 connector).
3. Repair the connection(s) as necessary.
Did you find and correct the condition?
32
1. Turn OFF the ignition.
2. Inspect for an intermittent and for a poor
connection at the harness connector of the ECM
(pin 30 of C-56 connector).
3. Repair the connection(s) as necessary.
Did you find and correct the condition?
33
Replace the thermo relay.
Did you complete the replacement?
34
Replace the pressure switch. Refer to Heating and
Air Conditioning section.
Did you complete the replacement?
35
Replace the electronic thermostat. Refer to Heating
and Air Conditioning section.
Did you complete the replacement?
36
Replace the A/C switch. Refer to Heating and Air
Conditioning section.
Did you complete the replacement?
37
Replace the blower motor switch. Refer to Heating
and Air Conditioning section.
Did you complete the replacement?
38
Important:
Replacement
programmed.
Replace the ECM. Refer to Engine Control Module
(ECM) Replacement in this section.
Did you complete the replacement?
Action
an
intermittent
and
for
an
intermittent
and
for
an
intermittent
and
for
an
intermittent
and
for
ECM
must
Engine Control System (4JH1) 6E-235
Value(s)
poor
poor
poor
poor
be
Yes
Go to Step 39
Go to Step 33
Go to Step 39
Go to Step 34
Go to Step 39
Go to Step 35
Go to Step 39
Go to Step 36
Go to Step 39
Go to Step 37
Go to Step 39
Go to Step 38
Go to Step 39
Go to Step 39
Go to Step 39
Go to Step 39
Go to Step 39
Go to Step 39
No
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