Mazda MX-6 1998, Workshop Manual

Page: 532 / 1282

CONTROL SYSTEM [FS]
Note
• Show wire and connector in diagram. It is
easier to test from connector than the power
steering pressure switch on the power
steering oil pump.
O Q : Continuity
Steering wheel condition
Terminal
A
Ground
Steering wheel fully turned
O — ------ O
Steering wheel straight ahead
position
4. If not as specified, replace the power steering
pressure switch. (Refer to 0 6 -1 2 POWER
STEERING OIL PUMP
DISASSEMBLY/ASSEMBLY.)
W 6 U 1 4 0 W B 4
NEUTRAL SWITCH INSPECTION [FS]
Inspection of Output Voltage
1. If the SST (104 Pin Breakout Box) are used,
check in the following order.
(1) Remove the PCM. (Refer to 01-40A
POWERTRAIN CONTROL MODULE (PCM)
REMOVAL/INSTALLATION [FS].)
(2) Connect the SST (104 Pin Breakout Box) to
the PCM as shown.
W 6 U 1 4 0 W B 5
(3) Tighten the connector bolt.
Tightening torque
7.9— 10.7 N m
{80— 100 kgf-cm, 69.5— 95.4 in lbf}
(4) Turn the ignition switch to ON.
(5) Measure the voltage at PCM terminal 64.
Specification
Condition
PCM terminal 64
voltage
(V)
Other than neutral position
and clutch pedal released
B+
Neutral position or clutch
pedal depressed
Below 1.0
W 6 U 1 4 0 W 1 8
2. If the SSTs (NGS tester) are used, check in the
following order.
(1) Connect the SSTs (NGS tester) to the data
link connector.
(2) Turn the ignition switch to ON.
(3) Select the “ PID/DATA MONITOR AND
RECORD” function on the NGS tester display
and press TRIGGER.
(4) Select “CPP/PNP” on the NGS tester display
and press START. The NGS tester measures
and shows the operation.
Specification
Condition “CPP/PNP” operation
Other than neutral position
and clutch pedal released
OFF
Neutral position or clutch
pedal depressed
ON
(5) If not as specified, check the related harness
and neutral switch continuity.
(6) If okay, check the clutch switch.
(6) If not as specified, check the related harness
and neutral switch continuity.
(7) If okay, check the clutch switch.
PCM
HARNESS
0 1 -4 0 A -2 7