Acura RL (1996-2004 year). Manual — part 283
Electrical Troubleshooting
Troubleshooting Flowchart — Transmission Range (A/T Gear Position)
Switch (Open)
• OBD II Scan Tool indicates Code
P0706.
• Self-diagnosis indicator light
blinks six times.
Test the transmission range
switch (see page
).
Is the switch OK?
YES
Measure ATP R Voltage:
1. Turn the ignition switch ON (II).
2. Shift to position.
3. Measure the voltage between
the E7 and A26 terminals.
Is there voltage?
NO
Measure ATP PN Voltage:
1. Shift to or position.
2. Measure the voltage between
the E24 and A26 terminals.
Is there voltage?
YES
NO
Measure ATP D4 Voltage:
1. Shift to position.
2. Measure the voltage between
the E8 and A26 terminals.
Is there voltage?
NO
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Possible Cause
• Disconnected transmission range
switch connector
• Open in transmission range
switch wire
• Faulty transmission range switch
Replace the transmission range
switch.
Repair open in the wire between
the E7 terminal and the transmis-
sion range switch.
Repair open in the wire between
the E24 terminal and the A/T
gear position indicator, or the
wires between the A/T gear posi-
tion indicator and the transmis-
sion range switch.
Repair open in the wire between
the E8 terminal and the transmis-
sion range switch.
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Measure ATP D3 Voltage:
1. Shift to position.
2. Measure the voltage between
the E9 and A26 terminals.
Is there voltage?
NO
Repair open in the wire between
the E9 terminal and the transmis-
sion range switch.
Is there voltage?
NO
Repair open in the wire between
the E10 terminal and the trans-
mission range switch.
Is there voltage?
NO
Repair open in the wire between
the E11 terminal and the transmis-
sion range switch.
Check for loose PCM connectors.
If necessary, substitute a known-
good PCM and recheck.
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Electrical Troubleshooting
Troubleshooting Flowchart — A/T Clutch Pressure Control Solenoid Valve
• OBD II Scan Tool indicates Code
P0748.
• Self-diagnosis indicator light
indicates Code 16.
Measure A/T clutch pressure con-
trol solenoid valve Resistance at
Solenoid Connector:
1. Disconnect the shift solenoid
valve/A/T clutch pressure con-
trol solenoid valve harness 4P
connector.
2. Measure the resistance of the
A/T clutch pressure control
solenoid valve.
Is the resistance approx. 5 ?
YES
Check A/T Clutch Pressure
Control Solenoid Valve for a
Short Circuit:
1. Disconnect the E (26P) con-
nector from the PCM.
2. Check for continuity between
body ground and the E16 termi-
nal and E3 terminal individually.
Is there continuity?
NO
Measure A/T Clutch Pressure
Control Solenoid Valve Resistance:
1. Connect the shift solenoid
valve/A/T clutch pressure con-
trol solenoid valve harness 4P
connector.
2. Measure the resistance
between the E16 and E3 ter-
minals.
Is the resistance approx. 5 ?
YES
Check the VB SOL Voltage:
1. Disconnect the A (26P) and E
(26P) connectors from the
PCM.
2. Turn the ignition switch ON (II).
3. Measure the voltage between
the E1 and A26 terminals.
Is there voltage?
YES
Check for loose PCM connectors.
If necessary, substitute a known-
good PCM and recheck.
Possible Cause
• Disconnected A/T clutch pres-
sure control solenoid valve con-
nector
• Short or open in A/T clutch
pressure control solenoid valve
wire
• Faulty A/T clutch pressure con-
trol solenoid valve
• Open VB SOL line
Replace the A/T clutch pressure
control solenoid valve.
Repair short in the wires
between the E16 and E3 termi-
nals and the A/T clutch pressure
control solenoid valve.
Repair loose terminal or open in
the wires between the E16 and E3
terminals and the A/T clutch pres-
sure control solenoid valve.
Check for open in the wire
between the E1 terminal and the
under-hood fuse/relay box.
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Headliner
Removal
CAUTION: When prying with a flat-tip screwdriver,
wrap it with protective tape to prevent damage.
NOTE:
• Take care not to bend and scratch the headliner.
• Be careful not to damage the dashboard and other
interior trim.
1. Remove the grab handles.
ACCESS
COVER
2.
3.
ACCESS
COVER
Remove these items. Refer to the '96 - 01 Acura 3.5
RL Service Manual, P/N 61SZ305 (see
Rear seat cushion and rear seat-back
Front and rear side trim
Front and rear door trim
Center pillar trim
Front pillar trim
Rear pillar trim
Roof side trim
Window antenna terminal cover
Remove these items. Refer to the '96 - 01 Acura 3.5
RL Service Manual, P/N 61SZ305 (see
• Ceiling lights
• Moonroof switch
4. Remove the sunvisor and holder from each side.
Disconnect both positive terminals.
5.
Detach the clips and hooks, then remove the homelink
and telematics switch. Disconnect the homelink
swith connector, telematics switch connector, and
connector.
NAVIGATION MIC
CONNECTOR
HOMELINK
SWITCH
CONNECTOR
TELEMATICS
SWITCH
CONNECTOR
HOMELINK and
TELEMATICS SWITCH
HOOKS
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