Honda Odyssey 2004. Manual — part 194
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03
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YES
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14-170
A/T Gear Position Indicator
D4 Indicator Circuit Troubleshooting (cont’d)
LG1 (BRN/BLK)
LG2 (BRN/BLK)
PCM CONNECTOR A (31P)
LG2 (BRN/BLK)
LG1 (BRN/BLK)
D4 IND (GRN/BLK)
A (31P)
E (31P)
PCM CONNECTORS
IGP1 (YEL/BLK)
IGP2 (YEL/BLK)
PCM CONNECTOR A (31P)
LG2 (BRN/BLK)
LG1 (BRN/BLK)
15. Disconnect PCM connector A (31P).
16. Check for continuity between PCM connector
terminal A25 and body ground, and between
terminal A26 and body ground.
Go to step 17.
Repair open in the wire(s) between PCM
connector terminals A25 or A26, and ground (G101),
or repair poor ground (G101).
17. Turn the ignition switch ON (II).
18. Measure the voltage between PCM connector
terminals A2 and A25, and between terminals A3
and A26.
Go to step 19.
Repair open or short in the wire between PCM
connector terminals A2 or A3 and the PGM-FI main
relay.
19. Turn the ignition switch OFF.
20. Reconnect PCM connector A (31P).
21. Connect the digital multimeter between PCM
connector terminals E5 and A25 or A26.
22. Turn the ignition switch ON (II).
Check for an open in the wire between PCM
connector terminal E5 and the gauge assembly. If
the wire is OK, check for a faulty D4 indicator bulb
or a faulty printed circuit board in the gauge
assembly.
Go to step 23.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e batter y voltage?
Is ther e voltage f or at least 2 seconds?
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14-171
PCM CONNECTOR E (31P)
D4 IND (GRN/BLK)
23. Turn the ignition switch OFF.
24. Disconnect PCM connector E (31P).
25. Check for continuity between PCM connector
terminal E5 and body ground.
Repair short to ground in the wire between
PCM connector terminal E5 and the gauge
assembly.
Check for loose terminal fit in the PCM
connectors. Check the transmission range switch. If
necessary, substitute a known-good PCM and
recheck.
Wire side of female terminals
Is ther e continuity?
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Cavity
Wire Color
Test Condition
Test: Desired Result
Possible Cause
(If result is not obtained)
14-172
A/T Gear Position Indicator
Indicator Input Test
GAUGE ASSEMBLY CONNECTORS
B(22P)
C(16P)
SRS components are located in this area. Review the SRS component locations (see page 23-18), and the precautions and procedures (see
page 23-21) in the SRS before performing repairs or service.
1. Remove the gauge assembly from the dashboard, then disconnect the gauge assembly B (22P) and C (16P) connectors.
2. Inspect the connectors and connector terminals to be sure they are all making good contact.
• If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, make the following input tests at the gauge assembly B (22P) and C (16P) connectors.
– If a test indicates a problem, find a correct the cause, then recheck the system.
– If all the input tests prove OK, but the indicator is faulty, replace the printed circuit board.
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B11
YEL
Check for voltage to ground:
There should be battery voltage.
Blown No. 9 (10A) fuse in the driver’s
under-dash fuse/relay box
An open in the wire
B16
BLK
Under all conditions
Check for continuity to ground:
There should be continuity.
Poor ground (G501)
An open in the wire
B22
RED/BLK
Headlights ON
Check for voltage to ground:
There should be battery voltage.
Blown No. 10 (15A) fuse in the
passenger’s under-dash fuse/relay box
An open in the wire
C4
WHT
Check for voltage to ground:
There should be 1 V or less.
There should be no battery voltage
in any other shift lever position.
Faulty transmission range switch
An open in the wire
C5
BRN
C6
PNK
C7
BLU
C12
GRN/BLK
Check for voltage to ground:
There should be battery voltage.
Faulty transmission range switch
Faulty PCM
An open in the wire
C13
YEL
Check for voltage to ground:
There should be 1 V or less.
There should be no battery voltage
in any other shift lever position.
Faulty transmission range switch
An open in the wire
C15
BLK/BLU
Shift lever in P
Check for continuity to ground:
There should be no continuity in any
other shift lever position.
An open in the wire
C16
RED/BLK
Check for voltage to ground:
There should be 1 V or less.
There should be battery voltage in
any other shift lever position.
Ignition switch ON (II)
Ignition switch ON (II) and
shift lever in R
Ignition switch ON (II) and
shift lever in 1
Ignition switch ON (II) and
shift lever in D3
Ignition switch ON (II) and
shift lever in 2
Ignition switch ON (II) and
shift lever in D4
Ignition switch ON (II) and
shift lever in D4
Faulty transmission range switch
Ignition switch ON (II) and
shift lever in N
Wire side of female terminals
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14-173
Transmission Range Switch Test
B
A
Terminal
Position
1
2
3
4
5
6
7
8
9
10
P
R
D4
D3
2
1
Transmission Range Switch Continuity Check
N
1. Remove the transmission range switch connector (A) from the connector bracket (B), then disconnect the
connector.
2. Check for continuity between the terminals in each switch position according to the table.
NOTE: Terminal No. 1: Neutral position switch
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