fuses ISUZU TF SERIES 2004 User Guide
Page 3105 of 4264
HEATER AND AIR CONDITIONING 1-95
MAGNETIC CLUTCH DOES NOT RUN
Replace
YES
Are the A/C thermo (X-15), heater & A/C (X-11)
and A/C compressor (X-14) relay OK?
Are the No. SBF 8 fuse (30A) and the No. EB-13
(10A) fuses OK
YES
Is the pressure switch (C-24) OK?
YES
Are the A/C switch (B-57) and the fan switch (B-13)
OK?
NO
YES
Is there continuity between the engine harness
connector terminal No.1 (E-2) and engine room
harness connector terminal No.2 (X-14)?
Disconnect the A/C compressor relay.
Turn the ignition switch "ON" (Engine is running)
A/C switch and fan control knob (fan switch "ON")
NO
Replace
NO
Defective switch or insufficient
refrigerant
NO
NO
Does the magnetic clutch
operate?
YES
Replace
Disconnect the magnetic clutch connector.
Is there battery voltage between the engine room
harness connector terminal No.1 (E-2) and ground?
Defective compressor
YESNO
Defective magnetic clutch
Page 3110 of 4264
1-100 HEATER AND AIR CONDITIONING
Replace
YES
Are the A/C thermo (X-15), heater & A/C (X-11)
and A/C compressor (X-14) relay OK?
Are the No. SBF 8 fuse (30A) and the No. EB-13
(10A) fuses OK?
YES
Is the pressure switch (C-24) OK?
YES
Are the A/C switch (B-57) and the fan switch (B-13)
OK?
NO
YES
Is there continuity between the engine harness
connector terminal No.1 (E-2) and engine room
harness connector terminal No.2 (X-14)?
Disconnect the A/C compressor relay.
Turn the ignition switch "ON" (Engine is running)
A/C switch and fan control knob (fan switch "ON")
NO
Replace
NO
Defective switch or insufficient
refrigerant
NO
NO
Does the magnetic clutch
operate?
YES
Replace
Disconnect the magnetic clutch connector.
Is there battery voltage between the engine room
harness connector terminal No.1 (E-2) and ground?
Defective compressor
YESNO
Defective magnetic clutch
Page 3695 of 4264
TRANSMISSION CONTROL SYSTEM (AW30 –40LE) (V6 3.5L) 7A2-15
2. Indicator is flashing and the flash is 0.4 seconds
ON and 0.4 seconds OFF always when ignition is
on (engine cranked or not). This means that there is
a malfunction. Go to DIAGNOSTIC CHECK
.
Abnormal
C07RY00042-1
3. Indicator is staying ON always when Ignition is ON.
1. This means that connection between the lamp
and the indicator control unit is shorted to
ground.
2. Verify if instrument panel terminal 2 o
f
connector B –23 is shorted to ground.
3. Verify if the indicator control unit connector C –
95 terminal 3 is shorted to ground.
4.
Verify that the instrument panel terminal 30 of
connector B –24 is connected to battery.
5. If problem solved: Go to CHECK TRANS
INDICATOR .
NO: Replace Transmission Control Module
(TCM).
4. Indicator is staying OFF with the ignition ON
(engine OFF).
1. This means that connection between the lamp
and the indicator control unit is shorted to
battery or opened.
2.
Verify if instrument panel terminal 2 of
connector B –23 is shorted to battery or open.
3. Verify if the indicator control unit connector C –
95 terminal 3 is shorted to battery or open.
4.
Verify that the instrument panel terminal 2of
connector B –23 is connected to battery. If not,
check the fuses and the connections (terminal
11 of connector H –6) voltage.