Vibration Concerns (Engine); A/C Does Not Work - Mazda B-Series 1997 Workshop Manual

TROUBLESHOOTING GUIDE
FT
VIBRATION CONCERNS (ENGINE)
- -
under hood or driveline
INSPECTION
I -
ACTION
- i
Yes 1 Repair or replace Check the following components for loose attaching
bolts or worn parts:
Cooling fan
Drive belt and pulleys
Engine mounts
Vibration damper
Go to next step
;
Is a fault present?
Yes
/
Repair or replace
2
No Go to next step
Check the following systems for malfunctioning
components:
Tires
Wheels
Transmission
Driveline
Suspension
Is a fault present?
1
3
1
Verify test results. If OK, return lo diagnostic index to service any additional symptoms
I
1
26
1
AIC DOES NOT WORK
I
(
DESCRIPTION
/
N C compressor magnetic clutch does not engage when N C is turned on
I
I
STEP
I
INSPECTION
1
ACTION
I
Yes 1 Key OFF
Connect A/C clutch and ACCS
Remove jumper wire
Refer to 1997 B-series BETM to check the heater and
air conditioning systems
Key OFF. Disconnect N C cycling switch (ACCS).
Install a jumper wire in the ACCS vehicle harness
connector to complete the circuit. Disconnect A/C
clutch connector. Connect a DVOM between the
1
Go to next step
power pin and ground pin at the A/C clutch vehicle
I harness connector. Start engine. Turn A/C on and
wait 15 seconds.
Was DVOM voltage greater than 10.5 volts?
Yes
No
2
Go to next step Key OFF. Disconnect ACCS. Install a jumper wire in
the ACCS vehicle harness connector to complete
the circuit. Connect New Generation Star (NGS)
tester to data link connector. Start engine. Turn A/C
on. Access and view ACCS PID.
Was ACCS PID on?
Refer to 1997 B-series BETM to check the heater and
air conditioning systems
Continuous Memory inspection?
Go to next step
Verify test results. If OK, return to diagnostic index to service any additional symptoms