Acura RL (1996-2004 year). Manual — part 280

(From page

11-102

)

Is there battery voltage?

NO

Repair open in the wire between
the EVAP canister purge valve

and No. 20 ECU (PCM) (20 A)

fuse.

EVAP canister vent shut valve

test.

Check the EVAP canister vent
shut valve:

1. Disconnect the vacuum hose

and connect a vacuum pump
to the hose.

2. Connect the PCM connector

terminal F5 to the body ground
with a jumper wire.

3. Turn the ignition switch ON (II).
4. Apply vacuum to the hose.

Does the valve hold vacuum?

NO

Check for an open in the wire
(VSV line):

1. Turn the ignition switch OFF.

2. Disconnect the EVAP canister

vent shut valve 2P connector.

3. Check for continuity between

the EVAP canister vent shut
valve 2P connector terminal

No. 2 and body ground.

Is there continuity?

YES

Check for an open in the wire

(IG1 line):
1. Turn the ignition switch ON (II).
2. Measure voltage between the

EVAP canister vent shut valve
2P connector terminal No. 1
and body ground.

Replace the EVAP canister purge
valve.

VACUUM PUMP/GAUGE,
0 - 30 In.Hg

A973X - 041 - XXXXX

EVAP
CANISTER

EVAP canister vent shut valve is
OK. Inspect the vacuum hose
between the EVAP canister
purge valve and the EVAP canis-
ter.

Repair open in the wire between

the EVAP canister vent shut
valve and PCM (F5).

(To page

11-104

)

Main Menu

Table of Contents

Emission Control System

Evaporative Emission (EVAP) Controls (cont'd)

(From page

11-103

)

Is there battery voltage?

Replace the EVAP canister vent
shut valve and O-ring.

Repair open in the wire between
the EVAP canister vent shut
valve and No. 20 ECU (PCM) (20

Main Menu

Table of Contents

Symptom-to-Component Chart

Electrical System

DTC*

P0715 (15)

P0720 (9)

P0730 (41)

P0740 (40)

P0753 (7)

P0758 (8)

P0705 (5-2)

P0706 (6-2)

P0743 (1-2)

P2756(2-2)

P0748 (16-2)

P0501 (4-2)

Indicator

Light

OFF

('96 - 97 models)

Blinks

('98 - 04 models)

Blinks

OFF

OFF

Blinks

Blinks

Blinks

OFF

Blinks

Blinks

Blinks

Blinks

MIL

ON

ON

ON

ON

ON

ON

ON

ON

ON

ON

ON

ON

Detection Item

Mainshaft speed sensor

Countershaft speed sensor

Shift control system

Lock-up control system

Shift solenoid valve A

Shift solenoid valve B

Transmission range switch (A/T gear position switch)

(short to ground)

Transmission range switch (A/T gear position switch)

(open)

Torque converter clutch solenoid valve A

(Lock-up control solenoid valve A)

Torque converter clutch solenoid valve B

(Lock-up control solenoid valve B)

A/T clutch pressure control solenoid valve

Vehicle speed sensor (VSS)

Page

14-9

14-12

14-4

14-6

14-14

14-8

DTC*: The DTC in parentheses is the code the indicator light indicates when the service check connector is connected

to the special tool (SCS service connector).

14-74

14-72

14-78

14-77

14-70

14-68

Main Menu

Table of Contents

If the self-diagnostic indicator light does not blink, perform an inspection according to the table below.

Symptom

indicator light does not come on for two seconds after ignition

switch is first turned on (II).

indicator light is on constantly (not blinking) whenever the ignition

switch is on (II).

Shift lever cannot be moved from position with the brake pedal
pressed.

Ignition key cannot be moved from ACC (1) position to LOCK (0) position

while pushing the ignition key with the shift lever is in position.

Inspection

Check interlock system
-shift lock system

Check interlock system
-key interlock system

Ref. page

14-79

14-81

14-82

14-84

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