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OBD0597A
4) Measure resistance of harness between TCM and
chassis ground.
: Connector & terminal
(B56) No. 9—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to next.
: Repair short circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B56) No. 10—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to next.
: Repair short circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B56) No. 8—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to next.
: Repair short circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 1—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to next.
: Repair short circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 2—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to next.
: Repair short circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 3—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to next.
: Repair short circuit in harness between TCM and
transmission harness connector.
: Connector & terminal
(B54) No. 4—Chassis ground:
Is the resistance more than 1 MΩ?
: Go to step10AT2.
: Repair short circuit in harness between TCM and
transmission harness connector.
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
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OBD0598A
10AT2
CHECK INHIBITOR SWITCH.
Measure resistance between transmission harness con-
nector receptacle’s terminals.
: Connector & terminal
(T3) No. 3—No. 4
Is the resistance less than 1Ωin“P”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to next.
:Goto.
: Connector & terminal
(T3) No. 2—No. 4
Is the resistance less than 1Ωin“R”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to next.
:Goto.
: Connector & terminal
(T3) No. 1—No. 4
Is the resistance less than 1Ωin“N”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to next.
:Goto.
: Connector & terminal
(T3) No. 8—No. 4
Is the resistance less than 1Ωin“D”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to next.
:Goto.
: Connector & terminal
(T3) No. 7—No. 4
Is the resistance less than 1Ωin“3”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to next.
:Goto.
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
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: Connector & terminal
(T3) No. 6—No. 4
Is the resistance less than 1Ωin“2”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to next.
:Goto.
: Connector & terminal
(T3) No. 5—No. 4
Is the resistance less than 1Ωin“1”
position?
Is the resistance more than 1 MΩin other
positions?
: Go to step10AT3.
:Goto.
: Is there faulty connection in the selector
cable?
: Repair connection of selector cable.
: Replace inhibitor switch.
OBD0595A
10AT3
CHECK INPUT SIGNAL FOR TCM.
1) Turn ignition switch to OFF.
2) Connect connector to TCM and transmission.
3) Turn ignition switch to ON.
4) Measure voltage between TCM and chassis ground.
: Connector & terminal
(B56) No. 9 (+)—Chassis ground ( ):
Is the voltage less than1Vin“P”and
“N”positions?
Is the voltage more than8Vinother
positions?
: Go to next.
:Goto.
: Connector & terminal
(B56) No. 10 (+)—Chassis ground ( ):
Is the voltage less than1Vin“R”posi-
tion?
Is the voltage more than6Vinother
positions?
: Go to next.
:Goto.
: Connector & terminal
(B56) No. 8 (+)—Chassis ground ( ):
Is the voltage less than1Vin“N”and
“P”positions?
Is the voltage more than8Vinother
positions?
: Go to next.
:Goto.
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10. Diagnostics Chart with Trouble Code
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