0323420 THROTTLE CONTROL CAM EVINRUDE
E4BRCICI, E4BRHCDE, E4BRHCNR, E4BRHCOB, E4BRHCRM, E4BRHCTA, E4BRHCUD, E4WCIC, E4WCNR
THROTTLE
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Number on catalog scheme: 33
Compatible models:
BRP EVINRUDE entire parts catalog list:
Information:
Table 1
Diagnostic Codes Table
Code and Description Conditions which Generate this Code System Response
336-2 Engine Control Switch erratic, intermittent, or incorrect The two inputs from the engine control switch are in the opposite state. The code is logged. The ECS can operate in four modes: OFF/RESET, START, STOP and REMOTE.The primary electronic control module (ECM) receives three signals that allow the ECM to determine the mode of operation. The input signals on P1-21 and P1-22 tell the ECM the position of the ECS. The input signals on P1-21 and P1-22 must be at the same potential or a diagnostic code will be generated. The third input signal on P1-68 tells the ECM if the ECS is in the REMOTE position. If the input signal on P1-68 is low, the ECM knows that the ECS is in the REMOTE position. If the input signal on P1-68 is not low, the ECM knows that the ECS is not in the REMOTE position.When the ECS is in the REMOTE position, inputs from the customer control the operation of the engine. The following list contains some of the inputs from the customer connector and the inputs function.
C remote start 2
D remote start 1
E remote stop 1
F remote stop 2
S "ECS (remote/auto)"
c keyswitchWhen the ECS is in the REMOTE position, the "Remote Start" relay and the "Remote Stop" relay are energized. When the remote start inputs C and D go low, the following relays energize: "Run 1" relay, "Run 2" relay, "Reset 1" relay and "Reset 2" relay. The start/run/stop inputs P1-21 and P1-22 will be pulled low. The engine will begin the start cycle. When the customer's remote stop inputs F and E are low, the following relays energize: "Stop 1" relay and "Stop 2" relay. The start/run/stop inputs P1-21 and P1-22 will be high. The engine will begin the stop function. When the ECS is in the REMOTE position, the "ECS in Remote" relay energizes. The "ECS in Remote" relay sends a signal to the customer connector that allows the customer to determine the position of the ECS.When the ECS is in the START position, the following relays energize: "Run 1" relay, "Run 2" relay, "Reset 1" relay and "Reset 2" relay. The start/run/stop inputs P1-21 and P1-22 will be pulled low. The engine will begin the start cycle.When the ECS is in the STOP position, the following relays energize: "Stop 1" relay and "Stop 2" relay. The start/run/stop inputs P1-21 and P1-22 will be high.When the ECS is in the OFF/RESET position, none of the relays are energized.
Illustration 1 g01324399
Typical example
Illustration 2 g01324452
P1 Primary ECM connector
(P1-21) "Start/Run/Stop 1"
(P1-22) "Start/Run/Stop 2"
Illustration 3 g01324924
P2 Primary ECM connector
(P2-54) "Digital return"
(P2-55) "Digital return"
Illustration 4 g01320528
Connector locations
(1) A-C1/E-C2 RH rigid harness connectors
(2) A-C2/J-C2 RH rigid harness connectors
(3) P-C1/A-C90 Connectors for the power distribution panel
(4) P-C2/A-C91 Connectors for the power distribution panel
(5) G-C6/F-C2/F-C1/A-C92 Connectors for a RH Control panel
(6) C-C22 Primary ECM connector P2
(7) C-C15 Primary ECM connector P1
(8) C-C28 Secondary ECM connector P2
(9) C-C29 Secondary ECM connector P1
(10) G-C6/F-C2/F-C1/C-C17 Connectors for a LH Control panel
(11) C-C18/TB-C1 Customer connectors
(12) C-C2/J-C1 LH rigid harness connectors
(13) C-C1/E-C1 LH rigid harness connectors
Illustration 5 g01324537
Terminal locations for the A-C1/E-C2 RH rigid harness connectors and the C-C1/E-C1 LH rigid harness connectors
(Terminal i) "Start/Run/Stop 1"
(Terminal j) "Start/Run/Stop 2"
(Terminal AL) "Digital return"
(Terminal AK) "Digital return"
Illustration 6 g01324917
Terminal locations for the following connectors G-C6/F-C2/F-C1/A-C92 Connectors for a RH Control panel and G-C6/F-C2/F-C1/C-C17 Connectors for a LH Control panel
(Terminal 19) "Start/Run/Stop 1"
(Terminal 20) "Start/Run/Stop 2"
(Terminal 23) Digital return
(Terminal 45) Digital return
Illustration 7 g01324914
Terminal locations for the TB-C1/C-C18 customer connector
(Terminal C) "Remote start 2"
(Terminal D) "Remote start 1"
(Terminal E) "Remote stop 1"
(Terminal F) "Remote stop 2"
(Terminal S) "ECS in remote"
(Terminal c) "Keyswitch" Test Step 1. Inspect the Electrical Connectors and the Wiring
Turn the circuit breaker for the battery to the OFF position.
Turn the ECS to the OFF/RESET position.
Thoroughly inspect the primary ECM connectors J1/P1 and J2/P2. Inspect all of the other connectors. Check the allen head screw on each of the ECM connectors for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct torque values.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connectors that are associated with the circuit.
Check the harness and the wiring for abrasion and for pinch points. Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted. The harness and wiring are free of corrosion, of abrasion or of pinch points.Results:
OK - The connectors and wiring are OK. Proceed to Test Step 2.
Not OK - The connectors and/or wiring need repair.Repair: Repair the connectors or wiring and/or replace the connectors or wiring.STOPTest Step 2. Check the Status of the ECS in the STOP Position
Turn the circuit breaker for the battery to the ON position.
Connect the Caterpillar Electronic Technician (ET) t