Acura RL. Instruction — page 55

2. Drive the vehicle at a speed of 3 mph (5 km/h) or more for at least 2 seconds in the R position.

Drive the vehicle in this manner only if the traffic regulations and ambient conditions allow.

Diagnosis Details

Conditions for illuminating the MIL

When a malfunction is detected during the first drive cycle, a Temporary DTC is stored in the PCM
memory. If the malfunction recurs during the next (second) drive cycle, the MIL comes on and the DTC and
the freeze frame data are stored.

Conditions for clearing the MIL

The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the
diagnostic runs.

The MIL, the DTC, the Temporary DTC, and the freeze frame data can be cleared by using the scan tool
Clear command or by disconnecting the battery.

DTC P0815 (24): ADVANCED DIAGNOSTICS

DTC P0815: SHORT IN TRANSMISSION GEAR SELECTION SWITCH UPSHIFT SWITCH
CIRCUIT, OR TRANSMISSION GEAR SELECTION SWITCH UPSHIFT SWITCH STUCK ON

Fig. 173: Transmission Gear Selection Switch — Circuit Diagram

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:05 PM

Page 217 © 2005 Mitchell Repair Information Company, LLC.

Fig. 174: Transmission Gear Shift Selection Position

General Description

When the shift lever is moved to the M position (the sequential sportshift mode (S-MODE) is selected), the
upshift (S-UP) switch and the downshift (S-DN) switch can be used. When the shift lever is moved toward
the S-UP switch, an upshift is executed, and when the shift lever is moved toward the S-DN switch, a
downshift is executed. The S-MODE switch signal, the S-UP switch signal, and the S-DN switch signal are
grounded when turned on and opened when turned off.

When the S-UP switch is turned on in the P, R, N, and D3 positions, a malfunction of the S-UP switch is
detected and a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status

MONITOR DESCRIPTION CHART

Enable Conditions

ENABLE CONDITIONS

Malfunction Threshold

The S-UP switch signal is turned on in the P, R, N, and D3 positions for at least 10 seconds.

Driving Pattern

Execution

Continuous

Sequence

None

Duration

10 seconds or more

DTC Type

One drive cycle, MIL ON, D indicator blinks

OBD Status

PASSED/FAILED/NOT COMPLETED (STILL TESTING)

Condition

Minimum

Maximum

Battery voltage

11.0 V

No active DTCs

P0705, P0706, P0816, P0957, P0958

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

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Friday, June 05, 2009 2:32:05 PM

Page 218 © 2005 Mitchell Repair Information Company, LLC.

Start the engine, shift to the P position, and wait for at least 10 seconds.

Diagnosis Details

Conditions for illuminating the MIL

When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the
PCM memory.

Conditions for clearing the MIL

The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the
diagnostic runs.

The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by
disconnecting the battery.

DTC P0816 (24): ADVANCED DIAGNOSTICS

DTC P0816: SHORT IN TRANSMISSION GEAR SELECTION SWITCH DOWNSHIFT SWITCH
CIRCUIT, OR TRANSMISSION GEAR SELECTION SWITCH DOWNSHIFT SWITCH STUCK
ON

Fig. 175: Transmission Gear Selection Switch — Circuit Diagram

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:05 PM

Page 219 © 2005 Mitchell Repair Information Company, LLC.

Fig. 176: Transmission Gear Shift Selection Position

General Description

When the shift lever is moved to the M position (the sequential sportshift mode (S-MODE) is selected), the
upshift (S-UP) switch and the downshift (S-DN) switch can be used. When the shift lever is moved toward
the S-UP switch, an upshift is executed, and when the shift lever is moved toward the S-DN switch, a
downshift is executed. The S-MODE switch signal, the S-UP switch signal, and the S-DN switch signal are
grounded when turned on and opened when turned off.

When the S-DN switch is turned on in the P, R, N, and D3 positions, a malfunction of the S-DN switch is
detected and a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status

MONITOR DESCRIPTION CHART

Enable Conditions

ENABLE CONDITIONS

Malfunction Threshold

The S-DN switch signal is turned on in the P, R, N, and D3 positions for at least 10 seconds.

Driving Pattern

Execution

Continuous

Sequence

None

Duration

10 seconds or more

DTC Type

One drive cycle, MIL ON, D indicator blinks

OBD Status

PASSED/FAILED/NOT COMPLETED (STILL TESTING)

Condition

Minimum

Maximum

Battery voltage

11.0 V

No active DTCs

P0705, P0706, P0815, P0957, P0958

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:05 PM

Page 220 © 2005 Mitchell Repair Information Company, LLC.

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