Electronic Shift Lever (Diagnostic Codes & Circuit Tests): Other Lexus HS I

PROCEDURE

1. CHECK FREEZE FRAME DATA Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Chassis / Transmission Control / Trouble Codes. Read the freeze frame data of C2301. RESULT Result Proceed to IG (+B) voltage is 9 V or more A IG (+B) voltage is less than 9 V B Turn the power switch off. B --> See step 7 A: Go to next step
2. CLEAR DTC See step 4 NEXT: Go to next step
3. CHARGE AUXILIARY BATTERY Charge the auxiliary battery. NEXT: Go to next step
4. CHECK DTC OUTPUT (SIMULATION TEST) Connect the Techstream to the DLC3. Release the brake pedal and turn the power switch on (IG). HINT: Do not turn the power switch on (READY). Depress the brake pedal and move the shift lever to N. Enter the following menus: Chassis / Transmission Control / Trouble Codes. Check if DTCs are output. RESULT Result Proceed to C2301 is output. A DTC is not output. B Turn the power switch off. B --> END (AUXILIARY BATTERY WAS INSUFFICIENTLY CHARGED) A: Go to next step
5. CHECK SHIFT CONTROL ACTUATOR ASSEMBLY See step 10 NG --> See step 8 OK: Go to next step
6. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY See step 11 NG --> See step 9 OK --> See step 10
7. REPLACE AUXILIARY BATTERY. Refer to «COMPONENTS»(ref-398219-S11335112122011051600000)
8. REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY. Refer to «COMPONENTS»(ref-398214-S24720614572011051600000)
9. REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to «COMPONENTS»(ref-398214-S42584983582011051600000)
10. REPLACE TRANSMISSION CONTROL ECU ASSEMBLY. Refer to «COMPONENTS»(ref-398214-S31258116822011051600000)

1. REPLACE TRANSMISSION CONTROL ECU ASSEMBLY Replace the transmission control ECU assembly. Refer to «COMPONENTS»(ref-398214-S31258116822011051600000) . NEXT --> END

1. CHECK DTC OUTPUT (HV) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. RESULT Result Proceed to Any of the following DTCs are not output. A Any of the following DTCs are output. B DTC No. Relevant Diagnosis P0851-579 Park/Neutral Switch Input Circuit Low P0852-580 Park/Neutral Switch Input Circuit High P085D-599 Gear Shift Control Module "A" Performance P0861-597 Gear Shift Control Module "A" Communication Circuit Low P0862-598 Gear Shift Control Module "A" Communication Circuit High U1107-436 Lost Communication with Power Management Module Turn the power switch off. B --> See step 2 A --> See step 3
2. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398094-S11405263312011051600000)
3. REPLACE HYBRID VEHICLE CONTROL ECU. Refer to «COMPONENTS»(ref-398232-S05375191312011051600000)

1. GO TO CAN COMMUNICATION SYSTEM Troubleshoot the CAN communication system. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-398235-S17886579092011051600000) . NEXT --> END